Home / 57,351.18-79,136.55-31,855.62

Finding the Fourth Proportional to 57,351.18, 79,136.55 and 31,855.62

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Solution

The fourth proportional to 57,351.18, 79,136.55 and 31,855.62 is: 43,956.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,351.18 : 79,136.55 = 31,855.62 : x
  2. Step 2: Convert to fraction form
    57,351.18/79,136.55 = 31,855.62/x
  3. Step 3: Cross multiply
    57,351.18x = 79,136.55 × 31,855.62
  4. Step 4: Simplify right side
    57,351.18x = 2,520,943,864.91
  5. Step 5: Solve for x
    x = 2,520,943,864.91/57,351.18
  6. Step 6: Final answer
    x = 43,956.27

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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.