Home / 31,372.92-43,278.30-25,411.32

Finding the Fourth Proportional to 31,372.92, 43,278.30 and 25,411.32

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Solution

The fourth proportional to 31,372.92, 43,278.30 and 25,411.32 is: 35,054.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,372.92 : 43,278.30 = 25,411.32 : x
  2. Step 2: Convert to fraction form
    31,372.92/43,278.30 = 25,411.32/x
  3. Step 3: Cross multiply
    31,372.92x = 43,278.30 × 25,411.32
  4. Step 4: Simplify right side
    31,372.92x = 1,099,758,730.36
  5. Step 5: Solve for x
    x = 1,099,758,730.36/31,372.92
  6. Step 6: Final answer
    x = 35,054.40

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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.