Home / 40,354.88-55,724.96-27,145.28

Finding the Fourth Proportional to 40,354.88, 55,724.96 and 27,145.28

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Solution

The fourth proportional to 40,354.88, 55,724.96 and 27,145.28 is: 37,484.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,354.88 : 55,724.96 = 27,145.28 : x
  2. Step 2: Convert to fraction form
    40,354.88/55,724.96 = 27,145.28/x
  3. Step 3: Cross multiply
    40,354.88x = 55,724.96 × 27,145.28
  4. Step 4: Simplify right side
    40,354.88x = 1,512,669,642.19
  5. Step 5: Solve for x
    x = 1,512,669,642.19/40,354.88
  6. Step 6: Final answer
    x = 37,484.18

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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.