Home / 42,338.27-63,515.93-14,257.19

Finding the Fourth Proportional to 42,338.27, 63,515.93 and 14,257.19

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Solution

The fourth proportional to 42,338.27, 63,515.93 and 14,257.19 is: 21,388.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,338.27 : 63,515.93 = 14,257.19 : x
  2. Step 2: Convert to fraction form
    42,338.27/63,515.93 = 14,257.19/x
  3. Step 3: Cross multiply
    42,338.27x = 63,515.93 × 14,257.19
  4. Step 4: Simplify right side
    42,338.27x = 905,558,293.17
  5. Step 5: Solve for x
    x = 905,558,293.17/42,338.27
  6. Step 6: Final answer
    x = 21,388.65

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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.