Home / 50,013.78-75,050.48-17,990.16

Finding the Fourth Proportional to 50,013.78, 75,050.48 and 17,990.16

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Solution

The fourth proportional to 50,013.78, 75,050.48 and 17,990.16 is: 26,995.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,013.78 : 75,050.48 = 17,990.16 : x
  2. Step 2: Convert to fraction form
    50,013.78/75,050.48 = 17,990.16/x
  3. Step 3: Cross multiply
    50,013.78x = 75,050.48 × 17,990.16
  4. Step 4: Simplify right side
    50,013.78x = 1,350,170,143.28
  5. Step 5: Solve for x
    x = 1,350,170,143.28/50,013.78
  6. Step 6: Final answer
    x = 26,995.96

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Double scale
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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.