Home / 40,785.36-61,195.12-15,842.80

Finding the Fourth Proportional to 40,785.36, 61,195.12 and 15,842.80

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Solution

The fourth proportional to 40,785.36, 61,195.12 and 15,842.80 is: 23,770.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,785.36 : 61,195.12 = 15,842.80 : x
  2. Step 2: Convert to fraction form
    40,785.36/61,195.12 = 15,842.80/x
  3. Step 3: Cross multiply
    40,785.36x = 61,195.12 × 15,842.80
  4. Step 4: Simplify right side
    40,785.36x = 969,502,047.14
  5. Step 5: Solve for x
    x = 969,502,047.14/40,785.36
  6. Step 6: Final answer
    x = 23,770.83

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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.