Home / 39,851.12-54,994.76-22,856

Finding the Fourth Proportional to 39,851.12, 54,994.76 and 22,856

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Solution

The fourth proportional to 39,851.12, 54,994.76 and 22,856 is: 31,541.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,851.12 : 54,994.76 = 22,856 : x
  2. Step 2: Convert to fraction form
    39,851.12/54,994.76 = 22,856/x
  3. Step 3: Cross multiply
    39,851.12x = 54,994.76 × 22,856
  4. Step 4: Simplify right side
    39,851.12x = 1,256,960,234.56
  5. Step 5: Solve for x
    x = 1,256,960,234.56/39,851.12
  6. Step 6: Final answer
    x = 31,541.40

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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.