Home / 39,950.21-55,131.45-22,045.74

Finding the Fourth Proportional to 39,950.21, 55,131.45 and 22,045.74

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Solution

The fourth proportional to 39,950.21, 55,131.45 and 22,045.74 is: 30,423.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,950.21 : 55,131.45 = 22,045.74 : x
  2. Step 2: Convert to fraction form
    39,950.21/55,131.45 = 22,045.74/x
  3. Step 3: Cross multiply
    39,950.21x = 55,131.45 × 22,045.74
  4. Step 4: Simplify right side
    39,950.21x = 1,215,413,612.52
  5. Step 5: Solve for x
    x = 1,215,413,612.52/39,950.21
  6. Step 6: Final answer
    x = 30,423.21

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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.