Home / 57,121.92-85,682.88-15,575.04

Finding the Fourth Proportional to 57,121.92, 85,682.88 and 15,575.04

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Solution

The fourth proportional to 57,121.92, 85,682.88 and 15,575.04 is: 23,362.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,121.92 : 85,682.88 = 15,575.04 : x
  2. Step 2: Convert to fraction form
    57,121.92/85,682.88 = 15,575.04/x
  3. Step 3: Cross multiply
    57,121.92x = 85,682.88 × 15,575.04
  4. Step 4: Simplify right side
    57,121.92x = 1,334,514,283.32
  5. Step 5: Solve for x
    x = 1,334,514,283.32/57,121.92
  6. Step 6: Final answer
    x = 23,362.56

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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.