Home / 31,652.95-43,680.32-17,505.49

Finding the Fourth Proportional to 31,652.95, 43,680.32 and 17,505.49

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Solution

The fourth proportional to 31,652.95, 43,680.32 and 17,505.49 is: 24,157.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,652.95 : 43,680.32 = 17,505.49 : x
  2. Step 2: Convert to fraction form
    31,652.95/43,680.32 = 17,505.49/x
  3. Step 3: Cross multiply
    31,652.95x = 43,680.32 × 17,505.49
  4. Step 4: Simplify right side
    31,652.95x = 764,645,295.76
  5. Step 5: Solve for x
    x = 764,645,295.76/31,652.95
  6. Step 6: Final answer
    x = 24,157.16

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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.