Home / 52,828.50-72,909.42-30,170.73

Finding the Fourth Proportional to 52,828.50, 72,909.42 and 30,170.73

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Solution

The fourth proportional to 52,828.50, 72,909.42 and 30,170.73 is: 41,639.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,828.50 : 72,909.42 = 30,170.73 : x
  2. Step 2: Convert to fraction form
    52,828.50/72,909.42 = 30,170.73/x
  3. Step 3: Cross multiply
    52,828.50x = 72,909.42 × 30,170.73
  4. Step 4: Simplify right side
    52,828.50x = 2,199,730,175.43
  5. Step 5: Solve for x
    x = 2,199,730,175.43/52,828.50
  6. Step 6: Final answer
    x = 41,639.08

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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.