Home / 42,424.78-63,637.20-14,722.78

Finding the Fourth Proportional to 42,424.78, 63,637.20 and 14,722.78

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Solution

The fourth proportional to 42,424.78, 63,637.20 and 14,722.78 is: 22,084.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,424.78 : 63,637.20 = 14,722.78 : x
  2. Step 2: Convert to fraction form
    42,424.78/63,637.20 = 14,722.78/x
  3. Step 3: Cross multiply
    42,424.78x = 63,637.20 × 14,722.78
  4. Step 4: Simplify right side
    42,424.78x = 936,916,495.42
  5. Step 5: Solve for x
    x = 936,916,495.42/42,424.78
  6. Step 6: Final answer
    x = 22,084.18

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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.