Home / 52,497.13-78,761.60-18,758.73

Finding the Fourth Proportional to 52,497.13, 78,761.60 and 18,758.73

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Solution

The fourth proportional to 52,497.13, 78,761.60 and 18,758.73 is: 28,143.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,497.13 : 78,761.60 = 18,758.73 : x
  2. Step 2: Convert to fraction form
    52,497.13/78,761.60 = 18,758.73/x
  3. Step 3: Cross multiply
    52,497.13x = 78,761.60 × 18,758.73
  4. Step 4: Simplify right side
    52,497.13x = 1,477,467,588.77
  5. Step 5: Solve for x
    x = 1,477,467,588.77/52,497.13
  6. Step 6: Final answer
    x = 28,143.78

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1.5x scale

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.