Home / 79,512.32-119,268.38-20,348.01

Finding the Fourth Proportional to 79,512.32, 119,268.38 and 20,348.01

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Solution

The fourth proportional to 79,512.32, 119,268.38 and 20,348.01 is: 30,521.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,512.32 : 119,268.38 = 20,348.01 : x
  2. Step 2: Convert to fraction form
    79,512.32/119,268.38 = 20,348.01/x
  3. Step 3: Cross multiply
    79,512.32x = 119,268.38 × 20,348.01
  4. Step 4: Simplify right side
    79,512.32x = 2,426,874,239.79
  5. Step 5: Solve for x
    x = 2,426,874,239.79/79,512.32
  6. Step 6: Final answer
    x = 30,521.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.