Home / 65,748.10-98,622.15-19,005.70

Finding the Fourth Proportional to 65,748.10, 98,622.15 and 19,005.70

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Solution

The fourth proportional to 65,748.10, 98,622.15 and 19,005.70 is: 28,508.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,748.10 : 98,622.15 = 19,005.70 : x
  2. Step 2: Convert to fraction form
    65,748.10/98,622.15 = 19,005.70/x
  3. Step 3: Cross multiply
    65,748.10x = 98,622.15 × 19,005.70
  4. Step 4: Simplify right side
    65,748.10x = 1,874,382,996.26
  5. Step 5: Solve for x
    x = 1,874,382,996.26/65,748.10
  6. Step 6: Final answer
    x = 28,508.55

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.