Home / 36,043.72-49,729.46-20,933.47

Finding the Fourth Proportional to 36,043.72, 49,729.46 and 20,933.47

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Solution

The fourth proportional to 36,043.72, 49,729.46 and 20,933.47 is: 28,881.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,043.72 : 49,729.46 = 20,933.47 : x
  2. Step 2: Convert to fraction form
    36,043.72/49,729.46 = 20,933.47/x
  3. Step 3: Cross multiply
    36,043.72x = 49,729.46 × 20,933.47
  4. Step 4: Simplify right side
    36,043.72x = 1,041,010,159.03
  5. Step 5: Solve for x
    x = 1,041,010,159.03/36,043.72
  6. Step 6: Final answer
    x = 28,881.87

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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.