Home / 42,424.43-63,636.80-14,344.72

Finding the Fourth Proportional to 42,424.43, 63,636.80 and 14,344.72

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Solution

The fourth proportional to 42,424.43, 63,636.80 and 14,344.72 is: 21,517.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,424.43 : 63,636.80 = 14,344.72 : x
  2. Step 2: Convert to fraction form
    42,424.43/63,636.80 = 14,344.72/x
  3. Step 3: Cross multiply
    42,424.43x = 63,636.80 × 14,344.72
  4. Step 4: Simplify right side
    42,424.43x = 912,851,727.56
  5. Step 5: Solve for x
    x = 912,851,727.56/42,424.43
  6. Step 6: Final answer
    x = 21,517.12

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1.5x scale

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.