Home / 29,528.31-40,755.55-18,356.79

Finding the Fourth Proportional to 29,528.31, 40,755.55 and 18,356.79

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Solution

The fourth proportional to 29,528.31, 40,755.55 and 18,356.79 is: 25,336.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,528.31 : 40,755.55 = 18,356.79 : x
  2. Step 2: Convert to fraction form
    29,528.31/40,755.55 = 18,356.79/x
  3. Step 3: Cross multiply
    29,528.31x = 40,755.55 × 18,356.79
  4. Step 4: Simplify right side
    29,528.31x = 748,141,072.68
  5. Step 5: Solve for x
    x = 748,141,072.68/29,528.31
  6. Step 6: Final answer
    x = 25,336.40

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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.