Home / 31,832.80-43,921.60-19,089.92

Finding the Fourth Proportional to 31,832.80, 43,921.60 and 19,089.92

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Solution

The fourth proportional to 31,832.80, 43,921.60 and 19,089.92 is: 26,339.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,832.80 : 43,921.60 = 19,089.92 : x
  2. Step 2: Convert to fraction form
    31,832.80/43,921.60 = 19,089.92/x
  3. Step 3: Cross multiply
    31,832.80x = 43,921.60 × 19,089.92
  4. Step 4: Simplify right side
    31,832.80x = 838,459,830.27
  5. Step 5: Solve for x
    x = 838,459,830.27/31,832.80
  6. Step 6: Final answer
    x = 26,339.49

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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.