Home / 39,071.16-58,635.90-31,372.92

Finding the Fourth Proportional to 39,071.16, 58,635.90 and 31,372.92

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Solution

The fourth proportional to 39,071.16, 58,635.90 and 31,372.92 is: 47,082.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,071.16 : 58,635.90 = 31,372.92 : x
  2. Step 2: Convert to fraction form
    39,071.16/58,635.90 = 31,372.92/x
  3. Step 3: Cross multiply
    39,071.16x = 58,635.90 × 31,372.92
  4. Step 4: Simplify right side
    39,071.16x = 1,839,579,399.83
  5. Step 5: Solve for x
    x = 1,839,579,399.83/39,071.16
  6. Step 6: Final answer
    x = 47,082.79

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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.