Home / 31,565.51-47,350.27-12,835.31

Finding the Fourth Proportional to 31,565.51, 47,350.27 and 12,835.31

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Solution

The fourth proportional to 31,565.51, 47,350.27 and 12,835.31 is: 19,253.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,565.51 : 47,350.27 = 12,835.31 : x
  2. Step 2: Convert to fraction form
    31,565.51/47,350.27 = 12,835.31/x
  3. Step 3: Cross multiply
    31,565.51x = 47,350.27 × 12,835.31
  4. Step 4: Simplify right side
    31,565.51x = 607,755,394.03
  5. Step 5: Solve for x
    x = 607,755,394.03/31,565.51
  6. Step 6: Final answer
    x = 19,253.78

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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.