Home / 54,285.67-74,915.70-30,411.83

Finding the Fourth Proportional to 54,285.67, 74,915.70 and 30,411.83

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Solution

The fourth proportional to 54,285.67, 74,915.70 and 30,411.83 is: 41,969.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,285.67 : 74,915.70 = 30,411.83 : x
  2. Step 2: Convert to fraction form
    54,285.67/74,915.70 = 30,411.83/x
  3. Step 3: Cross multiply
    54,285.67x = 74,915.70 × 30,411.83
  4. Step 4: Simplify right side
    54,285.67x = 2,278,323,006.09
  5. Step 5: Solve for x
    x = 2,278,323,006.09/54,285.67
  6. Step 6: Final answer
    x = 41,969.15

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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.