Home / 55,387.90-83,081.85-49,264.30

Finding the Fourth Proportional to 55,387.90, 83,081.85 and 49,264.30

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Solution

The fourth proportional to 55,387.90, 83,081.85 and 49,264.30 is: 73,896.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,387.90 : 83,081.85 = 49,264.30 : x
  2. Step 2: Convert to fraction form
    55,387.90/83,081.85 = 49,264.30/x
  3. Step 3: Cross multiply
    55,387.90x = 83,081.85 × 49,264.30
  4. Step 4: Simplify right side
    55,387.90x = 4,092,969,182.96
  5. Step 5: Solve for x
    x = 4,092,969,182.96/55,387.90
  6. Step 6: Final answer
    x = 73,896.45

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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.