Home / 57,121.65-85,686.12-17,675.46

Finding the Fourth Proportional to 57,121.65, 85,686.12 and 17,675.46

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Solution

The fourth proportional to 57,121.65, 85,686.12 and 17,675.46 is: 26,514.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,121.65 : 85,686.12 = 17,675.46 : x
  2. Step 2: Convert to fraction form
    57,121.65/85,686.12 = 17,675.46/x
  3. Step 3: Cross multiply
    57,121.65x = 85,686.12 × 17,675.46
  4. Step 4: Simplify right side
    57,121.65x = 1,514,541,586.62
  5. Step 5: Solve for x
    x = 1,514,541,586.62/57,121.65
  6. Step 6: Final answer
    x = 26,514.32

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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.