Home / 39,042.54-53,876.52-22,045.68

Finding the Fourth Proportional to 39,042.54, 53,876.52 and 22,045.68

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Solution

The fourth proportional to 39,042.54, 53,876.52 and 22,045.68 is: 30,421.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,042.54 : 53,876.52 = 22,045.68 : x
  2. Step 2: Convert to fraction form
    39,042.54/53,876.52 = 22,045.68/x
  3. Step 3: Cross multiply
    39,042.54x = 53,876.52 × 22,045.68
  4. Step 4: Simplify right side
    39,042.54x = 1,187,744,519.43
  5. Step 5: Solve for x
    x = 1,187,744,519.43/39,042.54
  6. Step 6: Final answer
    x = 30,421.80

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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.