Home / 42,428.24-63,642.60-14,348.49

Finding the Fourth Proportional to 42,428.24, 63,642.60 and 14,348.49

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Solution

The fourth proportional to 42,428.24, 63,642.60 and 14,348.49 is: 21,522.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,428.24 : 63,642.60 = 14,348.49 : x
  2. Step 2: Convert to fraction form
    42,428.24/63,642.60 = 14,348.49/x
  3. Step 3: Cross multiply
    42,428.24x = 63,642.60 × 14,348.49
  4. Step 4: Simplify right side
    42,428.24x = 913,175,209.67
  5. Step 5: Solve for x
    x = 913,175,209.67/42,428.24
  6. Step 6: Final answer
    x = 21,522.82

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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.