Home / 30,641.04-45,961.68-20,250.48

Finding the Fourth Proportional to 30,641.04, 45,961.68 and 20,250.48

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Solution

The fourth proportional to 30,641.04, 45,961.68 and 20,250.48 is: 30,375.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,641.04 : 45,961.68 = 20,250.48 : x
  2. Step 2: Convert to fraction form
    30,641.04/45,961.68 = 20,250.48/x
  3. Step 3: Cross multiply
    30,641.04x = 45,961.68 × 20,250.48
  4. Step 4: Simplify right side
    30,641.04x = 930,746,081.61
  5. Step 5: Solve for x
    x = 930,746,081.61/30,641.04
  6. Step 6: Final answer
    x = 30,375.80

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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.