Home / 54,103.10-81,154.65-31,927.10

Finding the Fourth Proportional to 54,103.10, 81,154.65 and 31,927.10

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Solution

The fourth proportional to 54,103.10, 81,154.65 and 31,927.10 is: 47,890.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,103.10 : 81,154.65 = 31,927.10 : x
  2. Step 2: Convert to fraction form
    54,103.10/81,154.65 = 31,927.10/x
  3. Step 3: Cross multiply
    54,103.10x = 81,154.65 × 31,927.10
  4. Step 4: Simplify right side
    54,103.10x = 2,591,032,626.02
  5. Step 5: Solve for x
    x = 2,591,032,626.02/54,103.10
  6. Step 6: Final answer
    x = 47,890.65

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1.5x scale

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.