Home / 54,188.80-74,787.50-30,316.78

Finding the Fourth Proportional to 54,188.80, 74,787.50 and 30,316.78

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Solution

The fourth proportional to 54,188.80, 74,787.50 and 30,316.78 is: 41,841.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,188.80 : 74,787.50 = 30,316.78 : x
  2. Step 2: Convert to fraction form
    54,188.80/74,787.50 = 30,316.78/x
  3. Step 3: Cross multiply
    54,188.80x = 74,787.50 × 30,316.78
  4. Step 4: Simplify right side
    54,188.80x = 2,267,316,353.53
  5. Step 5: Solve for x
    x = 2,267,316,353.53/54,188.80
  6. Step 6: Final answer
    x = 41,841.05

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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.