Home / 51,723.56-71,386.62-30,505.16

Finding the Fourth Proportional to 51,723.56, 71,386.62 and 30,505.16

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Solution

The fourth proportional to 51,723.56, 71,386.62 and 30,505.16 is: 42,101.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,723.56 : 71,386.62 = 30,505.16 : x
  2. Step 2: Convert to fraction form
    51,723.56/71,386.62 = 30,505.16/x
  3. Step 3: Cross multiply
    51,723.56x = 71,386.62 × 30,505.16
  4. Step 4: Simplify right side
    51,723.56x = 2,177,660,264.96
  5. Step 5: Solve for x
    x = 2,177,660,264.96/51,723.56
  6. Step 6: Final answer
    x = 42,101.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.