Home / 39,950.72-55,131.96-22,045.74

Finding the Fourth Proportional to 39,950.72, 55,131.96 and 22,045.74

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Solution

The fourth proportional to 39,950.72, 55,131.96 and 22,045.74 is: 30,423.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,950.72 : 55,131.96 = 22,045.74 : x
  2. Step 2: Convert to fraction form
    39,950.72/55,131.96 = 22,045.74/x
  3. Step 3: Cross multiply
    39,950.72x = 55,131.96 × 22,045.74
  4. Step 4: Simplify right side
    39,950.72x = 1,215,424,855.85
  5. Step 5: Solve for x
    x = 1,215,424,855.85/39,950.72
  6. Step 6: Final answer
    x = 30,423.10

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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.