Home / 54,916.10-82,264.80-31,515.20

Finding the Fourth Proportional to 54,916.10, 82,264.80 and 31,515.20

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Solution

The fourth proportional to 54,916.10, 82,264.80 and 31,515.20 is: 47,210.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,916.10 : 82,264.80 = 31,515.20 : x
  2. Step 2: Convert to fraction form
    54,916.10/82,264.80 = 31,515.20/x
  3. Step 3: Cross multiply
    54,916.10x = 82,264.80 × 31,515.20
  4. Step 4: Simplify right side
    54,916.10x = 2,592,591,624.96
  5. Step 5: Solve for x
    x = 2,592,591,624.96/54,916.10
  6. Step 6: Final answer
    x = 47,210.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.