Home / 45,141.80-62,230.76-31,671.32

Finding the Fourth Proportional to 45,141.80, 62,230.76 and 31,671.32

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Solution

The fourth proportional to 45,141.80, 62,230.76 and 31,671.32 is: 43,660.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,141.80 : 62,230.76 = 31,671.32 : x
  2. Step 2: Convert to fraction form
    45,141.80/62,230.76 = 31,671.32/x
  3. Step 3: Cross multiply
    45,141.80x = 62,230.76 × 31,671.32
  4. Step 4: Simplify right side
    45,141.80x = 1,970,930,313.80
  5. Step 5: Solve for x
    x = 1,970,930,313.80/45,141.80
  6. Step 6: Final answer
    x = 43,660.87

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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.