Home / 32,514.40-44,907.78-21,887.20

Finding the Fourth Proportional to 32,514.40, 44,907.78 and 21,887.20

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Solution

The fourth proportional to 32,514.40, 44,907.78 and 21,887.20 is: 30,229.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,514.40 : 44,907.78 = 21,887.20 : x
  2. Step 2: Convert to fraction form
    32,514.40/44,907.78 = 21,887.20/x
  3. Step 3: Cross multiply
    32,514.40x = 44,907.78 × 21,887.20
  4. Step 4: Simplify right side
    32,514.40x = 982,905,562.42
  5. Step 5: Solve for x
    x = 982,905,562.42/32,514.40
  6. Step 6: Final answer
    x = 30,229.85

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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.