Home / 40,156.93-55,366.18-25,791.40

Finding the Fourth Proportional to 40,156.93, 55,366.18 and 25,791.40

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Solution

The fourth proportional to 40,156.93, 55,366.18 and 25,791.40 is: 35,559.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,156.93 : 55,366.18 = 25,791.40 : x
  2. Step 2: Convert to fraction form
    40,156.93/55,366.18 = 25,791.40/x
  3. Step 3: Cross multiply
    40,156.93x = 55,366.18 × 25,791.40
  4. Step 4: Simplify right side
    40,156.93x = 1,427,971,294.85
  5. Step 5: Solve for x
    x = 1,427,971,294.85/40,156.93
  6. Step 6: Final answer
    x = 35,559.77

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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.