Home / 42,347.22-63,498.11-14,257.91

Finding the Fourth Proportional to 42,347.22, 63,498.11 and 14,257.91

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Solution

The fourth proportional to 42,347.22, 63,498.11 and 14,257.91 is: 21,379.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,347.22 : 63,498.11 = 14,257.91 : x
  2. Step 2: Convert to fraction form
    42,347.22/63,498.11 = 14,257.91/x
  3. Step 3: Cross multiply
    42,347.22x = 63,498.11 × 14,257.91
  4. Step 4: Simplify right side
    42,347.22x = 905,349,948.77
  5. Step 5: Solve for x
    x = 905,349,948.77/42,347.22
  6. Step 6: Final answer
    x = 21,379.21

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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.