Home / 45,587.68-68,372.82-19,310.89

Finding the Fourth Proportional to 45,587.68, 68,372.82 and 19,310.89

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Solution

The fourth proportional to 45,587.68, 68,372.82 and 19,310.89 is: 28,962.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,587.68 : 68,372.82 = 19,310.89 : x
  2. Step 2: Convert to fraction form
    45,587.68/68,372.82 = 19,310.89/x
  3. Step 3: Cross multiply
    45,587.68x = 68,372.82 × 19,310.89
  4. Step 4: Simplify right side
    45,587.68x = 1,320,340,006.01
  5. Step 5: Solve for x
    x = 1,320,340,006.01/45,587.68
  6. Step 6: Final answer
    x = 28,962.65

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1.5x scale

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.