Home / 52,561.95-72,534.90-28,688.43

Finding the Fourth Proportional to 52,561.95, 72,534.90 and 28,688.43

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Solution

The fourth proportional to 52,561.95, 72,534.90 and 28,688.43 is: 39,589.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,561.95 : 72,534.90 = 28,688.43 : x
  2. Step 2: Convert to fraction form
    52,561.95/72,534.90 = 28,688.43/x
  3. Step 3: Cross multiply
    52,561.95x = 72,534.90 × 28,688.43
  4. Step 4: Simplify right side
    52,561.95x = 2,080,912,401.21
  5. Step 5: Solve for x
    x = 2,080,912,401.21/52,561.95
  6. Step 6: Final answer
    x = 39,589.71

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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.