Home / 52,311.98-72,191.26-28,438.68

Finding the Fourth Proportional to 52,311.98, 72,191.26 and 28,438.68

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Solution

The fourth proportional to 52,311.98, 72,191.26 and 28,438.68 is: 39,245.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,311.98 : 72,191.26 = 28,438.68 : x
  2. Step 2: Convert to fraction form
    52,311.98/72,191.26 = 28,438.68/x
  3. Step 3: Cross multiply
    52,311.98x = 72,191.26 × 28,438.68
  4. Step 4: Simplify right side
    52,311.98x = 2,053,024,141.94
  5. Step 5: Solve for x
    x = 2,053,024,141.94/52,311.98
  6. Step 6: Final answer
    x = 39,245.77

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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.