Home / 54,865.68-75,714.24-29,715

Finding the Fourth Proportional to 54,865.68, 75,714.24 and 29,715

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Solution

The fourth proportional to 54,865.68, 75,714.24 and 29,715 is: 41,006.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,865.68 : 75,714.24 = 29,715 : x
  2. Step 2: Convert to fraction form
    54,865.68/75,714.24 = 29,715/x
  3. Step 3: Cross multiply
    54,865.68x = 75,714.24 × 29,715
  4. Step 4: Simplify right side
    54,865.68x = 2,249,848,641.60
  5. Step 5: Solve for x
    x = 2,249,848,641.60/54,865.68
  6. Step 6: Final answer
    x = 41,006.48

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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.