Home / 34,435.38-47,515.02-20,291.04

Finding the Fourth Proportional to 34,435.38, 47,515.02 and 20,291.04

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Solution

The fourth proportional to 34,435.38, 47,515.02 and 20,291.04 is: 27,998.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,435.38 : 47,515.02 = 20,291.04 : x
  2. Step 2: Convert to fraction form
    34,435.38/47,515.02 = 20,291.04/x
  3. Step 3: Cross multiply
    34,435.38x = 47,515.02 × 20,291.04
  4. Step 4: Simplify right side
    34,435.38x = 964,129,171.42
  5. Step 5: Solve for x
    x = 964,129,171.42/34,435.38
  6. Step 6: Final answer
    x = 27,998.21

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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.