Home / 39,575.74-54,614.52-21,671.84

Finding the Fourth Proportional to 39,575.74, 54,614.52 and 21,671.84

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Solution

The fourth proportional to 39,575.74, 54,614.52 and 21,671.84 is: 29,907.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,575.74 : 54,614.52 = 21,671.84 : x
  2. Step 2: Convert to fraction form
    39,575.74/54,614.52 = 21,671.84/x
  3. Step 3: Cross multiply
    39,575.74x = 54,614.52 × 21,671.84
  4. Step 4: Simplify right side
    39,575.74x = 1,183,597,139.12
  5. Step 5: Solve for x
    x = 1,183,597,139.12/39,575.74
  6. Step 6: Final answer
    x = 29,907.14

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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.