Home / 57,680.46-86,520.18-18,237.60

Finding the Fourth Proportional to 57,680.46, 86,520.18 and 18,237.60

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Solution

The fourth proportional to 57,680.46, 86,520.18 and 18,237.60 is: 27,356.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,680.46 : 86,520.18 = 18,237.60 : x
  2. Step 2: Convert to fraction form
    57,680.46/86,520.18 = 18,237.60/x
  3. Step 3: Cross multiply
    57,680.46x = 86,520.18 × 18,237.60
  4. Step 4: Simplify right side
    57,680.46x = 1,577,920,434.77
  5. Step 5: Solve for x
    x = 1,577,920,434.77/57,680.46
  6. Step 6: Final answer
    x = 27,356.24

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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.