Home / 42,611.78-58,742.70-29,825.40

Finding the Fourth Proportional to 42,611.78, 58,742.70 and 29,825.40

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Solution

The fourth proportional to 42,611.78, 58,742.70 and 29,825.40 is: 41,115.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,611.78 : 58,742.70 = 29,825.40 : x
  2. Step 2: Convert to fraction form
    42,611.78/58,742.70 = 29,825.40/x
  3. Step 3: Cross multiply
    42,611.78x = 58,742.70 × 29,825.40
  4. Step 4: Simplify right side
    42,611.78x = 1,752,024,524.58
  5. Step 5: Solve for x
    x = 1,752,024,524.58/42,611.78
  6. Step 6: Final answer
    x = 41,115.97

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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.