Home / 52,543.24-78,725.76-31,723

Finding the Fourth Proportional to 52,543.24, 78,725.76 and 31,723

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Solution

The fourth proportional to 52,543.24, 78,725.76 and 31,723 is: 47,530.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,543.24 : 78,725.76 = 31,723 : x
  2. Step 2: Convert to fraction form
    52,543.24/78,725.76 = 31,723/x
  3. Step 3: Cross multiply
    52,543.24x = 78,725.76 × 31,723
  4. Step 4: Simplify right side
    52,543.24x = 2,497,417,284.48
  5. Step 5: Solve for x
    x = 2,497,417,284.48/52,543.24
  6. Step 6: Final answer
    x = 47,530.71

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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.