Home / 30,873.78-42,605.55-17,444.79

Finding the Fourth Proportional to 30,873.78, 42,605.55 and 17,444.79

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Solution

The fourth proportional to 30,873.78, 42,605.55 and 17,444.79 is: 24,073.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,873.78 : 42,605.55 = 17,444.79 : x
  2. Step 2: Convert to fraction form
    30,873.78/42,605.55 = 17,444.79/x
  3. Step 3: Cross multiply
    30,873.78x = 42,605.55 × 17,444.79
  4. Step 4: Simplify right side
    30,873.78x = 743,244,872.58
  5. Step 5: Solve for x
    x = 743,244,872.58/30,873.78
  6. Step 6: Final answer
    x = 24,073.66

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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.