Home / 34,780.70-52,170.18-19,001.06

Finding the Fourth Proportional to 34,780.70, 52,170.18 and 19,001.06

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Solution

The fourth proportional to 34,780.70, 52,170.18 and 19,001.06 is: 28,501.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,780.70 : 52,170.18 = 19,001.06 : x
  2. Step 2: Convert to fraction form
    34,780.70/52,170.18 = 19,001.06/x
  3. Step 3: Cross multiply
    34,780.70x = 52,170.18 × 19,001.06
  4. Step 4: Simplify right side
    34,780.70x = 991,288,720.39
  5. Step 5: Solve for x
    x = 991,288,720.39/34,780.70
  6. Step 6: Final answer
    x = 28,501.11

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Double scale
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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.