Home / 31,157.16-43,000.58-17,545.64

Finding the Fourth Proportional to 31,157.16, 43,000.58 and 17,545.64

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Solution

The fourth proportional to 31,157.16, 43,000.58 and 17,545.64 is: 24,215.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,157.16 : 43,000.58 = 17,545.64 : x
  2. Step 2: Convert to fraction form
    31,157.16/43,000.58 = 17,545.64/x
  3. Step 3: Cross multiply
    31,157.16x = 43,000.58 × 17,545.64
  4. Step 4: Simplify right side
    31,157.16x = 754,472,716.24
  5. Step 5: Solve for x
    x = 754,472,716.24/31,157.16
  6. Step 6: Final answer
    x = 24,215.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.