Home / 54,360.56-75,013.24-30,484

Finding the Fourth Proportional to 54,360.56, 75,013.24 and 30,484

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Solution

The fourth proportional to 54,360.56, 75,013.24 and 30,484 is: 42,065.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,360.56 : 75,013.24 = 30,484 : x
  2. Step 2: Convert to fraction form
    54,360.56/75,013.24 = 30,484/x
  3. Step 3: Cross multiply
    54,360.56x = 75,013.24 × 30,484
  4. Step 4: Simplify right side
    54,360.56x = 2,286,703,608.16
  5. Step 5: Solve for x
    x = 2,286,703,608.16/54,360.56
  6. Step 6: Final answer
    x = 42,065.49

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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.