Home / 34,299.12-47,326.89-20,154.90

Finding the Fourth Proportional to 34,299.12, 47,326.89 and 20,154.90

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Solution

The fourth proportional to 34,299.12, 47,326.89 and 20,154.90 is: 27,810.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,299.12 : 47,326.89 = 20,154.90 : x
  2. Step 2: Convert to fraction form
    34,299.12/47,326.89 = 20,154.90/x
  3. Step 3: Cross multiply
    34,299.12x = 47,326.89 × 20,154.90
  4. Step 4: Simplify right side
    34,299.12x = 953,868,735.26
  5. Step 5: Solve for x
    x = 953,868,735.26/34,299.12
  6. Step 6: Final answer
    x = 27,810.30

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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.