Home / 57,962.20-87,032.40-31,718.20

Finding the Fourth Proportional to 57,962.20, 87,032.40 and 31,718.20

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Solution

The fourth proportional to 57,962.20, 87,032.40 and 31,718.20 is: 47,626.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,962.20 : 87,032.40 = 31,718.20 : x
  2. Step 2: Convert to fraction form
    57,962.20/87,032.40 = 31,718.20/x
  3. Step 3: Cross multiply
    57,962.20x = 87,032.40 × 31,718.20
  4. Step 4: Simplify right side
    57,962.20x = 2,760,511,069.68
  5. Step 5: Solve for x
    x = 2,760,511,069.68/57,962.20
  6. Step 6: Final answer
    x = 47,626.06

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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.