Home / 37,420.60-51,639.14-22,305.47

Finding the Fourth Proportional to 37,420.60, 51,639.14 and 22,305.47

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Solution

The fourth proportional to 37,420.60, 51,639.14 and 22,305.47 is: 30,780.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,420.60 : 51,639.14 = 22,305.47 : x
  2. Step 2: Convert to fraction form
    37,420.60/51,639.14 = 22,305.47/x
  3. Step 3: Cross multiply
    37,420.60x = 51,639.14 × 22,305.47
  4. Step 4: Simplify right side
    37,420.60x = 1,151,835,288.10
  5. Step 5: Solve for x
    x = 1,151,835,288.10/37,420.60
  6. Step 6: Final answer
    x = 30,780.78

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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.