Home / 39,851.68-54,992.12-22,855.76

Finding the Fourth Proportional to 39,851.68, 54,992.12 and 22,855.76

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Solution

The fourth proportional to 39,851.68, 54,992.12 and 22,855.76 is: 31,539.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,851.68 : 54,992.12 = 22,855.76 : x
  2. Step 2: Convert to fraction form
    39,851.68/54,992.12 = 22,855.76/x
  3. Step 3: Cross multiply
    39,851.68x = 54,992.12 × 22,855.76
  4. Step 4: Simplify right side
    39,851.68x = 1,256,886,696.61
  5. Step 5: Solve for x
    x = 1,256,886,696.61/39,851.68
  6. Step 6: Final answer
    x = 31,539.11

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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.