Home / 31,068.04-42,874.97-17,638.85

Finding the Fourth Proportional to 31,068.04, 42,874.97 and 17,638.85

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Solution

The fourth proportional to 31,068.04, 42,874.97 and 17,638.85 is: 24,342.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,068.04 : 42,874.97 = 17,638.85 : x
  2. Step 2: Convert to fraction form
    31,068.04/42,874.97 = 17,638.85/x
  3. Step 3: Cross multiply
    31,068.04x = 42,874.97 × 17,638.85
  4. Step 4: Simplify right side
    31,068.04x = 756,265,164.58
  5. Step 5: Solve for x
    x = 756,265,164.58/31,068.04
  6. Step 6: Final answer
    x = 24,342.22

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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.