Home / 38,609.82-57,925.68-31,655.16

Finding the Fourth Proportional to 38,609.82, 57,925.68 and 31,655.16

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Solution

The fourth proportional to 38,609.82, 57,925.68 and 31,655.16 is: 47,491.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,609.82 : 57,925.68 = 31,655.16 : x
  2. Step 2: Convert to fraction form
    38,609.82/57,925.68 = 31,655.16/x
  3. Step 3: Cross multiply
    38,609.82x = 57,925.68 × 31,655.16
  4. Step 4: Simplify right side
    38,609.82x = 1,833,646,668.51
  5. Step 5: Solve for x
    x = 1,833,646,668.51/38,609.82
  6. Step 6: Final answer
    x = 47,491.72

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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.