Home / 45,181.80-62,314.06-31,797.40

Finding the Fourth Proportional to 45,181.80, 62,314.06 and 31,797.40

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Solution

The fourth proportional to 45,181.80, 62,314.06 and 31,797.40 is: 43,854.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,181.80 : 62,314.06 = 31,797.40 : x
  2. Step 2: Convert to fraction form
    45,181.80/62,314.06 = 31,797.40/x
  3. Step 3: Cross multiply
    45,181.80x = 62,314.06 × 31,797.40
  4. Step 4: Simplify right side
    45,181.80x = 1,981,425,091.44
  5. Step 5: Solve for x
    x = 1,981,425,091.44/45,181.80
  6. Step 6: Final answer
    x = 43,854.50

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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.