Home / 52,311.12-72,190.76-28,439.43

Finding the Fourth Proportional to 52,311.12, 72,190.76 and 28,439.43

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Solution

The fourth proportional to 52,311.12, 72,190.76 and 28,439.43 is: 39,247.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,311.12 : 72,190.76 = 28,439.43 : x
  2. Step 2: Convert to fraction form
    52,311.12/72,190.76 = 28,439.43/x
  3. Step 3: Cross multiply
    52,311.12x = 72,190.76 × 28,439.43
  4. Step 4: Simplify right side
    52,311.12x = 2,053,064,065.67
  5. Step 5: Solve for x
    x = 2,053,064,065.67/52,311.12
  6. Step 6: Final answer
    x = 39,247.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.