Home / 39,465.30-59,146.11-18,694.74

Finding the Fourth Proportional to 39,465.30, 59,146.11 and 18,694.74

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Solution

The fourth proportional to 39,465.30, 59,146.11 and 18,694.74 is: 28,017.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,465.30 : 59,146.11 = 18,694.74 : x
  2. Step 2: Convert to fraction form
    39,465.30/59,146.11 = 18,694.74/x
  3. Step 3: Cross multiply
    39,465.30x = 59,146.11 × 18,694.74
  4. Step 4: Simplify right side
    39,465.30x = 1,105,721,148.46
  5. Step 5: Solve for x
    x = 1,105,721,148.46/39,465.30
  6. Step 6: Final answer
    x = 28,017.55

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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.