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Finding the Fourth Proportional to 41,615.40, 62,431.20 and 12,034.20

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Solution

The fourth proportional to 41,615.40, 62,431.20 and 12,034.20 is: 18,053.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,615.40 : 62,431.20 = 12,034.20 : x
  2. Step 2: Convert to fraction form
    41,615.40/62,431.20 = 12,034.20/x
  3. Step 3: Cross multiply
    41,615.40x = 62,431.20 × 12,034.20
  4. Step 4: Simplify right side
    41,615.40x = 751,309,547.04
  5. Step 5: Solve for x
    x = 751,309,547.04/41,615.40
  6. Step 6: Final answer
    x = 18,053.64

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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.