Home / 48,351.60-72,609.19-31,513.21

Finding the Fourth Proportional to 48,351.60, 72,609.19 and 31,513.21

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Solution

The fourth proportional to 48,351.60, 72,609.19 and 31,513.21 is: 47,323.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,351.60 : 72,609.19 = 31,513.21 : x
  2. Step 2: Convert to fraction form
    48,351.60/72,609.19 = 31,513.21/x
  3. Step 3: Cross multiply
    48,351.60x = 72,609.19 × 31,513.21
  4. Step 4: Simplify right side
    48,351.60x = 2,288,148,392.09
  5. Step 5: Solve for x
    x = 2,288,148,392.09/48,351.60
  6. Step 6: Final answer
    x = 47,323.12

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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.