Home / 63,129.79-94,707.65-18,752.59

Finding the Fourth Proportional to 63,129.79, 94,707.65 and 18,752.59

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Solution

The fourth proportional to 63,129.79, 94,707.65 and 18,752.59 is: 28,132.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,129.79 : 94,707.65 = 18,752.59 : x
  2. Step 2: Convert to fraction form
    63,129.79/94,707.65 = 18,752.59/x
  3. Step 3: Cross multiply
    63,129.79x = 94,707.65 × 18,752.59
  4. Step 4: Simplify right side
    63,129.79x = 1,776,013,730.31
  5. Step 5: Solve for x
    x = 1,776,013,730.31/63,129.79
  6. Step 6: Final answer
    x = 28,132.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.