Home / 40,126.08-55,359.12-25,986.72

Finding the Fourth Proportional to 40,126.08, 55,359.12 and 25,986.72

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Solution

The fourth proportional to 40,126.08, 55,359.12 and 25,986.72 is: 35,852.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,126.08 : 55,359.12 = 25,986.72 : x
  2. Step 2: Convert to fraction form
    40,126.08/55,359.12 = 25,986.72/x
  3. Step 3: Cross multiply
    40,126.08x = 55,359.12 × 25,986.72
  4. Step 4: Simplify right side
    40,126.08x = 1,438,601,950.89
  5. Step 5: Solve for x
    x = 1,438,601,950.89/40,126.08
  6. Step 6: Final answer
    x = 35,852.04

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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.