Home / 52,128.06-78,187.08-14,687.54

Finding the Fourth Proportional to 52,128.06, 78,187.08 and 14,687.54

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Solution

The fourth proportional to 52,128.06, 78,187.08 and 14,687.54 is: 22,029.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,128.06 : 78,187.08 = 14,687.54 : x
  2. Step 2: Convert to fraction form
    52,128.06/78,187.08 = 14,687.54/x
  3. Step 3: Cross multiply
    52,128.06x = 78,187.08 × 14,687.54
  4. Step 4: Simplify right side
    52,128.06x = 1,148,375,864.98
  5. Step 5: Solve for x
    x = 1,148,375,864.98/52,128.06
  6. Step 6: Final answer
    x = 22,029.90

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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.