Home / 38,343.11-57,520.47-12,045.38

Finding the Fourth Proportional to 38,343.11, 57,520.47 and 12,045.38

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Solution

The fourth proportional to 38,343.11, 57,520.47 and 12,045.38 is: 18,069.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,343.11 : 57,520.47 = 12,045.38 : x
  2. Step 2: Convert to fraction form
    38,343.11/57,520.47 = 12,045.38/x
  3. Step 3: Cross multiply
    38,343.11x = 57,520.47 × 12,045.38
  4. Step 4: Simplify right side
    38,343.11x = 692,855,918.93
  5. Step 5: Solve for x
    x = 692,855,918.93/38,343.11
  6. Step 6: Final answer
    x = 18,069.89

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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.