Home / 51,201.11-70,655.28-28,542.59

Finding the Fourth Proportional to 51,201.11, 70,655.28 and 28,542.59

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Solution

The fourth proportional to 51,201.11, 70,655.28 and 28,542.59 is: 39,387.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,201.11 : 70,655.28 = 28,542.59 : x
  2. Step 2: Convert to fraction form
    51,201.11/70,655.28 = 28,542.59/x
  3. Step 3: Cross multiply
    51,201.11x = 70,655.28 × 28,542.59
  4. Step 4: Simplify right side
    51,201.11x = 2,016,684,688.38
  5. Step 5: Solve for x
    x = 2,016,684,688.38/51,201.11
  6. Step 6: Final answer
    x = 39,387.52

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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.