Home / 57,948.72-86,930.40-16,395.72

Finding the Fourth Proportional to 57,948.72, 86,930.40 and 16,395.72

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Solution

The fourth proportional to 57,948.72, 86,930.40 and 16,395.72 is: 24,595.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,948.72 : 86,930.40 = 16,395.72 : x
  2. Step 2: Convert to fraction form
    57,948.72/86,930.40 = 16,395.72/x
  3. Step 3: Cross multiply
    57,948.72x = 86,930.40 × 16,395.72
  4. Step 4: Simplify right side
    57,948.72x = 1,425,286,497.89
  5. Step 5: Solve for x
    x = 1,425,286,497.89/57,948.72
  6. Step 6: Final answer
    x = 24,595.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.