Home / 57,626.92-86,440.40-18,187.12

Finding the Fourth Proportional to 57,626.92, 86,440.40 and 18,187.12

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Solution

The fourth proportional to 57,626.92, 86,440.40 and 18,187.12 is: 27,280.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,626.92 : 86,440.40 = 18,187.12 : x
  2. Step 2: Convert to fraction form
    57,626.92/86,440.40 = 18,187.12/x
  3. Step 3: Cross multiply
    57,626.92x = 86,440.40 × 18,187.12
  4. Step 4: Simplify right side
    57,626.92x = 1,572,101,836.71
  5. Step 5: Solve for x
    x = 1,572,101,836.71/57,626.92
  6. Step 6: Final answer
    x = 27,280.68

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1.5x scale

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.