Home / 30,551.19-42,218.52-22,984.38

Finding the Fourth Proportional to 30,551.19, 42,218.52 and 22,984.38

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Solution

The fourth proportional to 30,551.19, 42,218.52 and 22,984.38 is: 31,761.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,551.19 : 42,218.52 = 22,984.38 : x
  2. Step 2: Convert to fraction form
    30,551.19/42,218.52 = 22,984.38/x
  3. Step 3: Cross multiply
    30,551.19x = 42,218.52 × 22,984.38
  4. Step 4: Simplify right side
    30,551.19x = 970,366,506.72
  5. Step 5: Solve for x
    x = 970,366,506.72/30,551.19
  6. Step 6: Final answer
    x = 31,761.99

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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.