Home / 40,158.98-55,445.40-25,825.26

Finding the Fourth Proportional to 40,158.98, 55,445.40 and 25,825.26

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Solution

The fourth proportional to 40,158.98, 55,445.40 and 25,825.26 is: 35,655.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,158.98 : 55,445.40 = 25,825.26 : x
  2. Step 2: Convert to fraction form
    40,158.98/55,445.40 = 25,825.26/x
  3. Step 3: Cross multiply
    40,158.98x = 55,445.40 × 25,825.26
  4. Step 4: Simplify right side
    40,158.98x = 1,431,891,870.80
  5. Step 5: Solve for x
    x = 1,431,891,870.80/40,158.98
  6. Step 6: Final answer
    x = 35,655.58

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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.