Home / 36,191.30-49,946.04-20,280.87

Finding the Fourth Proportional to 36,191.30, 49,946.04 and 20,280.87

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Solution

The fourth proportional to 36,191.30, 49,946.04 and 20,280.87 is: 27,988.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,191.30 : 49,946.04 = 20,280.87 : x
  2. Step 2: Convert to fraction form
    36,191.30/49,946.04 = 20,280.87/x
  3. Step 3: Cross multiply
    36,191.30x = 49,946.04 × 20,280.87
  4. Step 4: Simplify right side
    36,191.30x = 1,012,949,144.25
  5. Step 5: Solve for x
    x = 1,012,949,144.25/36,191.30
  6. Step 6: Final answer
    x = 27,988.75

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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.