Home / 31,029.93-42,821.10-16,882.83

Finding the Fourth Proportional to 31,029.93, 42,821.10 and 16,882.83

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Solution

The fourth proportional to 31,029.93, 42,821.10 and 16,882.83 is: 23,298.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,029.93 : 42,821.10 = 16,882.83 : x
  2. Step 2: Convert to fraction form
    31,029.93/42,821.10 = 16,882.83/x
  3. Step 3: Cross multiply
    31,029.93x = 42,821.10 × 16,882.83
  4. Step 4: Simplify right side
    31,029.93x = 722,941,351.71
  5. Step 5: Solve for x
    x = 722,941,351.71/31,029.93
  6. Step 6: Final answer
    x = 23,298.19

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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.