Home / 29,320.32-43,907.56-20,514

Finding the Fourth Proportional to 29,320.32, 43,907.56 and 20,514

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Solution

The fourth proportional to 29,320.32, 43,907.56 and 20,514 is: 30,719.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,320.32 : 43,907.56 = 20,514 : x
  2. Step 2: Convert to fraction form
    29,320.32/43,907.56 = 20,514/x
  3. Step 3: Cross multiply
    29,320.32x = 43,907.56 × 20,514
  4. Step 4: Simplify right side
    29,320.32x = 900,719,685.84
  5. Step 5: Solve for x
    x = 900,719,685.84/29,320.32
  6. Step 6: Final answer
    x = 30,719.98

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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.