Home / 45,180.80-62,312.68-31,796.40

Finding the Fourth Proportional to 45,180.80, 62,312.68 and 31,796.40

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Solution

The fourth proportional to 45,180.80, 62,312.68 and 31,796.40 is: 43,853.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,180.80 : 62,312.68 = 31,796.40 : x
  2. Step 2: Convert to fraction form
    45,180.80/62,312.68 = 31,796.40/x
  3. Step 3: Cross multiply
    45,180.80x = 62,312.68 × 31,796.40
  4. Step 4: Simplify right side
    45,180.80x = 1,981,318,898.35
  5. Step 5: Solve for x
    x = 1,981,318,898.35/45,180.80
  6. Step 6: Final answer
    x = 43,853.12

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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.