Home / 36,191.60-49,945.40-20,275.72

Finding the Fourth Proportional to 36,191.60, 49,945.40 and 20,275.72

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Solution

The fourth proportional to 36,191.60, 49,945.40 and 20,275.72 is: 27,981.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,191.60 : 49,945.40 = 20,275.72 : x
  2. Step 2: Convert to fraction form
    36,191.60/49,945.40 = 20,275.72/x
  3. Step 3: Cross multiply
    36,191.60x = 49,945.40 × 20,275.72
  4. Step 4: Simplify right side
    36,191.60x = 1,012,678,945.69
  5. Step 5: Solve for x
    x = 1,012,678,945.69/36,191.60
  6. Step 6: Final answer
    x = 27,981.05

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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.