Home / 38,655.32-57,988.45-12,353.91

Finding the Fourth Proportional to 38,655.32, 57,988.45 and 12,353.91

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Solution

The fourth proportional to 38,655.32, 57,988.45 and 12,353.91 is: 18,532.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,655.32 : 57,988.45 = 12,353.91 : x
  2. Step 2: Convert to fraction form
    38,655.32/57,988.45 = 12,353.91/x
  3. Step 3: Cross multiply
    38,655.32x = 57,988.45 × 12,353.91
  4. Step 4: Simplify right side
    38,655.32x = 716,384,092.34
  5. Step 5: Solve for x
    x = 716,384,092.34/38,655.32
  6. Step 6: Final answer
    x = 18,532.61

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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.