Home / 36,420.36-50,259.54-20,504.76

Finding the Fourth Proportional to 36,420.36, 50,259.54 and 20,504.76

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Solution

The fourth proportional to 36,420.36, 50,259.54 and 20,504.76 is: 28,296.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,420.36 : 50,259.54 = 20,504.76 : x
  2. Step 2: Convert to fraction form
    36,420.36/50,259.54 = 20,504.76/x
  3. Step 3: Cross multiply
    36,420.36x = 50,259.54 × 20,504.76
  4. Step 4: Simplify right side
    36,420.36x = 1,030,559,805.41
  5. Step 5: Solve for x
    x = 1,030,559,805.41/36,420.36
  6. Step 6: Final answer
    x = 28,296.26

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Half scale
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Double scale
Find fourth proportional to 36,421.36, 50,260.92 and 20,505.76
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.