Home / 52,559.42-72,531.45-28,685.90

Finding the Fourth Proportional to 52,559.42, 72,531.45 and 28,685.90

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Solution

The fourth proportional to 52,559.42, 72,531.45 and 28,685.90 is: 39,586.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,559.42 : 72,531.45 = 28,685.90 : x
  2. Step 2: Convert to fraction form
    52,559.42/72,531.45 = 28,685.90/x
  3. Step 3: Cross multiply
    52,559.42x = 72,531.45 × 28,685.90
  4. Step 4: Simplify right side
    52,559.42x = 2,080,629,921.56
  5. Step 5: Solve for x
    x = 2,080,629,921.56/52,559.42
  6. Step 6: Final answer
    x = 39,586.24

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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.