Home / 37,130.76-51,241.62-20,365.32

Finding the Fourth Proportional to 37,130.76, 51,241.62 and 20,365.32

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Solution

The fourth proportional to 37,130.76, 51,241.62 and 20,365.32 is: 28,104.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,130.76 : 51,241.62 = 20,365.32 : x
  2. Step 2: Convert to fraction form
    37,130.76/51,241.62 = 20,365.32/x
  3. Step 3: Cross multiply
    37,130.76x = 51,241.62 × 20,365.32
  4. Step 4: Simplify right side
    37,130.76x = 1,043,551,988.62
  5. Step 5: Solve for x
    x = 1,043,551,988.62/37,130.76
  6. Step 6: Final answer
    x = 28,104.78

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Half scale
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Double scale
Find fourth proportional to 37,131.76, 51,243 and 20,366.32
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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.