Home / 39,882.16-55,036.74-23,760.76

Finding the Fourth Proportional to 39,882.16, 55,036.74 and 23,760.76

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Solution

The fourth proportional to 39,882.16, 55,036.74 and 23,760.76 is: 32,789.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,882.16 : 55,036.74 = 23,760.76 : x
  2. Step 2: Convert to fraction form
    39,882.16/55,036.74 = 23,760.76/x
  3. Step 3: Cross multiply
    39,882.16x = 55,036.74 × 23,760.76
  4. Step 4: Simplify right side
    39,882.16x = 1,307,714,770.32
  5. Step 5: Solve for x
    x = 1,307,714,770.32/39,882.16
  6. Step 6: Final answer
    x = 32,789.47

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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.