Home / 31,576.38-43,578.32-22,030.13

Finding the Fourth Proportional to 31,576.38, 43,578.32 and 22,030.13

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Solution

The fourth proportional to 31,576.38, 43,578.32 and 22,030.13 is: 30,403.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,576.38 : 43,578.32 = 22,030.13 : x
  2. Step 2: Convert to fraction form
    31,576.38/43,578.32 = 22,030.13/x
  3. Step 3: Cross multiply
    31,576.38x = 43,578.32 × 22,030.13
  4. Step 4: Simplify right side
    31,576.38x = 960,035,726.74
  5. Step 5: Solve for x
    x = 960,035,726.74/31,576.38
  6. Step 6: Final answer
    x = 30,403.60

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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.