Home / 39,828.50-54,956.89-22,829.61

Finding the Fourth Proportional to 39,828.50, 54,956.89 and 22,829.61

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Solution

The fourth proportional to 39,828.50, 54,956.89 and 22,829.61 is: 31,501.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,828.50 : 54,956.89 = 22,829.61 : x
  2. Step 2: Convert to fraction form
    39,828.50/54,956.89 = 22,829.61/x
  3. Step 3: Cross multiply
    39,828.50x = 54,956.89 × 22,829.61
  4. Step 4: Simplify right side
    39,828.50x = 1,254,644,394.05
  5. Step 5: Solve for x
    x = 1,254,644,394.05/39,828.50
  6. Step 6: Final answer
    x = 31,501.18

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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.