Home / 31,010.13-42,792.68-17,582.29

Finding the Fourth Proportional to 31,010.13, 42,792.68 and 17,582.29

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Solution

The fourth proportional to 31,010.13, 42,792.68 and 17,582.29 is: 24,262.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,010.13 : 42,792.68 = 17,582.29 : x
  2. Step 2: Convert to fraction form
    31,010.13/42,792.68 = 17,582.29/x
  3. Step 3: Cross multiply
    31,010.13x = 42,792.68 × 17,582.29
  4. Step 4: Simplify right side
    31,010.13x = 752,393,309.64
  5. Step 5: Solve for x
    x = 752,393,309.64/31,010.13
  6. Step 6: Final answer
    x = 24,262.82

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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.