Home / 52,453.60-78,713.19-21,288.85

Finding the Fourth Proportional to 52,453.60, 78,713.19 and 21,288.85

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Solution

The fourth proportional to 52,453.60, 78,713.19 and 21,288.85 is: 31,946.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,453.60 : 78,713.19 = 21,288.85 : x
  2. Step 2: Convert to fraction form
    52,453.60/78,713.19 = 21,288.85/x
  3. Step 3: Cross multiply
    52,453.60x = 78,713.19 × 21,288.85
  4. Step 4: Simplify right side
    52,453.60x = 1,675,713,294.93
  5. Step 5: Solve for x
    x = 1,675,713,294.93/52,453.60
  6. Step 6: Final answer
    x = 31,946.58

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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.