Home / 40,585.62-55,945.17-39,798.30

Finding the Fourth Proportional to 40,585.62, 55,945.17 and 39,798.30

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Solution

The fourth proportional to 40,585.62, 55,945.17 and 39,798.30 is: 54,859.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,585.62 : 55,945.17 = 39,798.30 : x
  2. Step 2: Convert to fraction form
    40,585.62/55,945.17 = 39,798.30/x
  3. Step 3: Cross multiply
    40,585.62x = 55,945.17 × 39,798.30
  4. Step 4: Simplify right side
    40,585.62x = 2,226,522,659.21
  5. Step 5: Solve for x
    x = 2,226,522,659.21/40,585.62
  6. Step 6: Final answer
    x = 54,859.89

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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.