Home / 57,440.16-86,160.28-18,000.36

Finding the Fourth Proportional to 57,440.16, 86,160.28 and 18,000.36

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Solution

The fourth proportional to 57,440.16, 86,160.28 and 18,000.36 is: 27,000.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,440.16 : 86,160.28 = 18,000.36 : x
  2. Step 2: Convert to fraction form
    57,440.16/86,160.28 = 18,000.36/x
  3. Step 3: Cross multiply
    57,440.16x = 86,160.28 × 18,000.36
  4. Step 4: Simplify right side
    57,440.16x = 1,550,916,183.10
  5. Step 5: Solve for x
    x = 1,550,916,183.10/57,440.16
  6. Step 6: Final answer
    x = 27,000.55

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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.