Home / 50,579.80-75,821.10-39,328.90

Finding the Fourth Proportional to 50,579.80, 75,821.10 and 39,328.90

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Solution

The fourth proportional to 50,579.80, 75,821.10 and 39,328.90 is: 58,955.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,579.80 : 75,821.10 = 39,328.90 : x
  2. Step 2: Convert to fraction form
    50,579.80/75,821.10 = 39,328.90/x
  3. Step 3: Cross multiply
    50,579.80x = 75,821.10 × 39,328.90
  4. Step 4: Simplify right side
    50,579.80x = 2,981,960,459.79
  5. Step 5: Solve for x
    x = 2,981,960,459.79/50,579.80
  6. Step 6: Final answer
    x = 58,955.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.