Home / 34,671.12-52,006.64-13,909.20

Finding the Fourth Proportional to 34,671.12, 52,006.64 and 13,909.20

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Solution

The fourth proportional to 34,671.12, 52,006.64 and 13,909.20 is: 20,863.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,671.12 : 52,006.64 = 13,909.20 : x
  2. Step 2: Convert to fraction form
    34,671.12/52,006.64 = 13,909.20/x
  3. Step 3: Cross multiply
    34,671.12x = 52,006.64 × 13,909.20
  4. Step 4: Simplify right side
    34,671.12x = 723,370,757.09
  5. Step 5: Solve for x
    x = 723,370,757.09/34,671.12
  6. Step 6: Final answer
    x = 20,863.78

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1.5x scale

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.