Home / 55,237.30-82,855.95-40,203.70

Finding the Fourth Proportional to 55,237.30, 82,855.95 and 40,203.70

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Solution

The fourth proportional to 55,237.30, 82,855.95 and 40,203.70 is: 60,305.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,237.30 : 82,855.95 = 40,203.70 : x
  2. Step 2: Convert to fraction form
    55,237.30/82,855.95 = 40,203.70/x
  3. Step 3: Cross multiply
    55,237.30x = 82,855.95 × 40,203.70
  4. Step 4: Simplify right side
    55,237.30x = 3,331,115,757.02
  5. Step 5: Solve for x
    x = 3,331,115,757.02/55,237.30
  6. Step 6: Final answer
    x = 60,305.55

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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.