Home / 39,215.36-54,064.20-26,618.24

Finding the Fourth Proportional to 39,215.36, 54,064.20 and 26,618.24

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Solution

The fourth proportional to 39,215.36, 54,064.20 and 26,618.24 is: 36,697.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,215.36 : 54,064.20 = 26,618.24 : x
  2. Step 2: Convert to fraction form
    39,215.36/54,064.20 = 26,618.24/x
  3. Step 3: Cross multiply
    39,215.36x = 54,064.20 × 26,618.24
  4. Step 4: Simplify right side
    39,215.36x = 1,439,093,851.01
  5. Step 5: Solve for x
    x = 1,439,093,851.01/39,215.36
  6. Step 6: Final answer
    x = 36,697.20

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Similar ratio
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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.