Home / 54,670.74-75,445.18-30,805.10

Finding the Fourth Proportional to 54,670.74, 75,445.18 and 30,805.10

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Solution

The fourth proportional to 54,670.74, 75,445.18 and 30,805.10 is: 42,510.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,670.74 : 75,445.18 = 30,805.10 : x
  2. Step 2: Convert to fraction form
    54,670.74/75,445.18 = 30,805.10/x
  3. Step 3: Cross multiply
    54,670.74x = 75,445.18 × 30,805.10
  4. Step 4: Simplify right side
    54,670.74x = 2,324,096,314.42
  5. Step 5: Solve for x
    x = 2,324,096,314.42/54,670.74
  6. Step 6: Final answer
    x = 42,510.79

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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.