Home / 29,040.32-40,081.44-18,442.40

Finding the Fourth Proportional to 29,040.32, 40,081.44 and 18,442.40

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Solution

The fourth proportional to 29,040.32, 40,081.44 and 18,442.40 is: 25,454.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,040.32 : 40,081.44 = 18,442.40 : x
  2. Step 2: Convert to fraction form
    29,040.32/40,081.44 = 18,442.40/x
  3. Step 3: Cross multiply
    29,040.32x = 40,081.44 × 18,442.40
  4. Step 4: Simplify right side
    29,040.32x = 739,197,949.06
  5. Step 5: Solve for x
    x = 739,197,949.06/29,040.32
  6. Step 6: Final answer
    x = 25,454.19

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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.