Home / 52,449.89-72,381.68-28,576.56

Finding the Fourth Proportional to 52,449.89, 72,381.68 and 28,576.56

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Solution

The fourth proportional to 52,449.89, 72,381.68 and 28,576.56 is: 39,436.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,449.89 : 72,381.68 = 28,576.56 : x
  2. Step 2: Convert to fraction form
    52,449.89/72,381.68 = 28,576.56/x
  3. Step 3: Cross multiply
    52,449.89x = 72,381.68 × 28,576.56
  4. Step 4: Simplify right side
    52,449.89x = 2,068,418,916.63
  5. Step 5: Solve for x
    x = 2,068,418,916.63/52,449.89
  6. Step 6: Final answer
    x = 39,436.10

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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.