Home / 52,211.63-72,050.12-28,337.79

Finding the Fourth Proportional to 52,211.63, 72,050.12 and 28,337.79

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Solution

The fourth proportional to 52,211.63, 72,050.12 and 28,337.79 is: 39,105.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,211.63 : 72,050.12 = 28,337.79 : x
  2. Step 2: Convert to fraction form
    52,211.63/72,050.12 = 28,337.79/x
  3. Step 3: Cross multiply
    52,211.63x = 72,050.12 × 28,337.79
  4. Step 4: Simplify right side
    52,211.63x = 2,041,741,375.97
  5. Step 5: Solve for x
    x = 2,041,741,375.97/52,211.63
  6. Step 6: Final answer
    x = 39,105.11

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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.