Home / 30,635.52-42,279.12-17,207.16

Finding the Fourth Proportional to 30,635.52, 42,279.12 and 17,207.16

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Solution

The fourth proportional to 30,635.52, 42,279.12 and 17,207.16 is: 23,747.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,635.52 : 42,279.12 = 17,207.16 : x
  2. Step 2: Convert to fraction form
    30,635.52/42,279.12 = 17,207.16/x
  3. Step 3: Cross multiply
    30,635.52x = 42,279.12 × 17,207.16
  4. Step 4: Simplify right side
    30,635.52x = 727,503,582.50
  5. Step 5: Solve for x
    x = 727,503,582.50/30,635.52
  6. Step 6: Final answer
    x = 23,747.06

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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.