Home / 48,934.80-73,402.20-31,438.80

Finding the Fourth Proportional to 48,934.80, 73,402.20 and 31,438.80

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Solution

The fourth proportional to 48,934.80, 73,402.20 and 31,438.80 is: 47,158.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,934.80 : 73,402.20 = 31,438.80 : x
  2. Step 2: Convert to fraction form
    48,934.80/73,402.20 = 31,438.80/x
  3. Step 3: Cross multiply
    48,934.80x = 73,402.20 × 31,438.80
  4. Step 4: Simplify right side
    48,934.80x = 2,307,677,085.36
  5. Step 5: Solve for x
    x = 2,307,677,085.36/48,934.80
  6. Step 6: Final answer
    x = 47,158.20

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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.