Home / 42,342.07-63,490.42-14,252.80

Finding the Fourth Proportional to 42,342.07, 63,490.42 and 14,252.80

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Solution

The fourth proportional to 42,342.07, 63,490.42 and 14,252.80 is: 21,371.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,342.07 : 63,490.42 = 14,252.80 : x
  2. Step 2: Convert to fraction form
    42,342.07/63,490.42 = 14,252.80/x
  3. Step 3: Cross multiply
    42,342.07x = 63,490.42 × 14,252.80
  4. Step 4: Simplify right side
    42,342.07x = 904,916,258.18
  5. Step 5: Solve for x
    x = 904,916,258.18/42,342.07
  6. Step 6: Final answer
    x = 21,371.56

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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.