Home / 36,770.31-55,148.20-10,109.42

Finding the Fourth Proportional to 36,770.31, 55,148.20 and 10,109.42

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Solution

The fourth proportional to 36,770.31, 55,148.20 and 10,109.42 is: 15,162.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,770.31 : 55,148.20 = 10,109.42 : x
  2. Step 2: Convert to fraction form
    36,770.31/55,148.20 = 10,109.42/x
  3. Step 3: Cross multiply
    36,770.31x = 55,148.20 × 10,109.42
  4. Step 4: Simplify right side
    36,770.31x = 557,516,316.04
  5. Step 5: Solve for x
    x = 557,516,316.04/36,770.31
  6. Step 6: Final answer
    x = 15,162.13

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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.