Home / 31,339.20-47,048.87-26,925.11

Finding the Fourth Proportional to 31,339.20, 47,048.87 and 26,925.11

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Solution

The fourth proportional to 31,339.20, 47,048.87 and 26,925.11 is: 40,422.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,339.20 : 47,048.87 = 26,925.11 : x
  2. Step 2: Convert to fraction form
    31,339.20/47,048.87 = 26,925.11/x
  3. Step 3: Cross multiply
    31,339.20x = 47,048.87 × 26,925.11
  4. Step 4: Simplify right side
    31,339.20x = 1,266,796,000.13
  5. Step 5: Solve for x
    x = 1,266,796,000.13/31,339.20
  6. Step 6: Final answer
    x = 40,422.09

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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.