Home / 30,656.59-42,310.95-17,917.31

Finding the Fourth Proportional to 30,656.59, 42,310.95 and 17,917.31

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Solution

The fourth proportional to 30,656.59, 42,310.95 and 17,917.31 is: 24,728.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,656.59 : 42,310.95 = 17,917.31 : x
  2. Step 2: Convert to fraction form
    30,656.59/42,310.95 = 17,917.31/x
  3. Step 3: Cross multiply
    30,656.59x = 42,310.95 × 17,917.31
  4. Step 4: Simplify right side
    30,656.59x = 758,098,407.54
  5. Step 5: Solve for x
    x = 758,098,407.54/30,656.59
  6. Step 6: Final answer
    x = 24,728.73

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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.