Home / 37,371.60-51,503.76-31,688.16

Finding the Fourth Proportional to 37,371.60, 51,503.76 and 31,688.16

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Solution

The fourth proportional to 37,371.60, 51,503.76 and 31,688.16 is: 43,671.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,371.60 : 51,503.76 = 31,688.16 : x
  2. Step 2: Convert to fraction form
    37,371.60/51,503.76 = 31,688.16/x
  3. Step 3: Cross multiply
    37,371.60x = 51,503.76 × 31,688.16
  4. Step 4: Simplify right side
    37,371.60x = 1,632,059,387.48
  5. Step 5: Solve for x
    x = 1,632,059,387.48/37,371.60
  6. Step 6: Final answer
    x = 43,671.11

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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.