Home / 39,129.92-58,688.06-18,068.16

Finding the Fourth Proportional to 39,129.92, 58,688.06 and 18,068.16

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Solution

The fourth proportional to 39,129.92, 58,688.06 and 18,068.16 is: 27,099.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,129.92 : 58,688.06 = 18,068.16 : x
  2. Step 2: Convert to fraction form
    39,129.92/58,688.06 = 18,068.16/x
  3. Step 3: Cross multiply
    39,129.92x = 58,688.06 × 18,068.16
  4. Step 4: Simplify right side
    39,129.92x = 1,060,385,167.83
  5. Step 5: Solve for x
    x = 1,060,385,167.83/39,129.92
  6. Step 6: Final answer
    x = 27,099.09

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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.