Home / 31,498.38-47,252.43-11,779.74

Finding the Fourth Proportional to 31,498.38, 47,252.43 and 11,779.74

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Solution

The fourth proportional to 31,498.38, 47,252.43 and 11,779.74 is: 17,671.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,498.38 : 47,252.43 = 11,779.74 : x
  2. Step 2: Convert to fraction form
    31,498.38/47,252.43 = 11,779.74/x
  3. Step 3: Cross multiply
    31,498.38x = 47,252.43 × 11,779.74
  4. Step 4: Simplify right side
    31,498.38x = 556,621,044.61
  5. Step 5: Solve for x
    x = 556,621,044.61/31,498.38
  6. Step 6: Final answer
    x = 17,671.42

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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.