Home / 32,883.18-49,288.46-20,999.55

Finding the Fourth Proportional to 32,883.18, 49,288.46 and 20,999.55

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Solution

The fourth proportional to 32,883.18, 49,288.46 and 20,999.55 is: 31,476.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,883.18 : 49,288.46 = 20,999.55 : x
  2. Step 2: Convert to fraction form
    32,883.18/49,288.46 = 20,999.55/x
  3. Step 3: Cross multiply
    32,883.18x = 49,288.46 × 20,999.55
  4. Step 4: Simplify right side
    32,883.18x = 1,035,035,375.20
  5. Step 5: Solve for x
    x = 1,035,035,375.20/32,883.18
  6. Step 6: Final answer
    x = 31,476.13

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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.