Home / 31,545.18-43,532.28-17,398.08

Finding the Fourth Proportional to 31,545.18, 43,532.28 and 17,398.08

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Solution

The fourth proportional to 31,545.18, 43,532.28 and 17,398.08 is: 24,009.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,545.18 : 43,532.28 = 17,398.08 : x
  2. Step 2: Convert to fraction form
    31,545.18/43,532.28 = 17,398.08/x
  3. Step 3: Cross multiply
    31,545.18x = 43,532.28 × 17,398.08
  4. Step 4: Simplify right side
    31,545.18x = 757,378,090.02
  5. Step 5: Solve for x
    x = 757,378,090.02/31,545.18
  6. Step 6: Final answer
    x = 24,009.31

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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.