Home / 42,115.24-63,172.86-23,660.20

Finding the Fourth Proportional to 42,115.24, 63,172.86 and 23,660.20

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Solution

The fourth proportional to 42,115.24, 63,172.86 and 23,660.20 is: 35,490.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,115.24 : 63,172.86 = 23,660.20 : x
  2. Step 2: Convert to fraction form
    42,115.24/63,172.86 = 23,660.20/x
  3. Step 3: Cross multiply
    42,115.24x = 63,172.86 × 23,660.20
  4. Step 4: Simplify right side
    42,115.24x = 1,494,682,502.17
  5. Step 5: Solve for x
    x = 1,494,682,502.17/42,115.24
  6. Step 6: Final answer
    x = 35,490.30

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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.