Home / 31,490.56-43,420.92-23,519.32

Finding the Fourth Proportional to 31,490.56, 43,420.92 and 23,519.32

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Solution

The fourth proportional to 31,490.56, 43,420.92 and 23,519.32 is: 32,429.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,490.56 : 43,420.92 = 23,519.32 : x
  2. Step 2: Convert to fraction form
    31,490.56/43,420.92 = 23,519.32/x
  3. Step 3: Cross multiply
    31,490.56x = 43,420.92 × 23,519.32
  4. Step 4: Simplify right side
    31,490.56x = 1,021,230,512.17
  5. Step 5: Solve for x
    x = 1,021,230,512.17/31,490.56
  6. Step 6: Final answer
    x = 32,429.73

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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.