Home / 54,510.73-75,222.84-30,638.71

Finding the Fourth Proportional to 54,510.73, 75,222.84 and 30,638.71

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Solution

The fourth proportional to 54,510.73, 75,222.84 and 30,638.71 is: 42,280.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,510.73 : 75,222.84 = 30,638.71 : x
  2. Step 2: Convert to fraction form
    54,510.73/75,222.84 = 30,638.71/x
  3. Step 3: Cross multiply
    54,510.73x = 75,222.84 × 30,638.71
  4. Step 4: Simplify right side
    54,510.73x = 2,304,730,780.14
  5. Step 5: Solve for x
    x = 2,304,730,780.14/54,510.73
  6. Step 6: Final answer
    x = 42,280.31

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1.5x scale

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.