Home / 39,145.13-54,034.30-23,229.58

Finding the Fourth Proportional to 39,145.13, 54,034.30 and 23,229.58

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Solution

The fourth proportional to 39,145.13, 54,034.30 and 23,229.58 is: 32,065.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,145.13 : 54,034.30 = 23,229.58 : x
  2. Step 2: Convert to fraction form
    39,145.13/54,034.30 = 23,229.58/x
  3. Step 3: Cross multiply
    39,145.13x = 54,034.30 × 23,229.58
  4. Step 4: Simplify right side
    39,145.13x = 1,255,194,094.59
  5. Step 5: Solve for x
    x = 1,255,194,094.59/39,145.13
  6. Step 6: Final answer
    x = 32,065.14

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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.