Home / 36,394.32-50,223.58-20,478.76

Finding the Fourth Proportional to 36,394.32, 50,223.58 and 20,478.76

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Solution

The fourth proportional to 36,394.32, 50,223.58 and 20,478.76 is: 28,260.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,394.32 : 50,223.58 = 20,478.76 : x
  2. Step 2: Convert to fraction form
    36,394.32/50,223.58 = 20,478.76/x
  3. Step 3: Cross multiply
    36,394.32x = 50,223.58 × 20,478.76
  4. Step 4: Simplify right side
    36,394.32x = 1,028,516,641.16
  5. Step 5: Solve for x
    x = 1,028,516,641.16/36,394.32
  6. Step 6: Final answer
    x = 28,260.36

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Half scale
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Double scale
Find fourth proportional to 36,395.32, 50,224.96 and 20,479.76
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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.