Home / 39,851.29-54,994.35-21,945.93

Finding the Fourth Proportional to 39,851.29, 54,994.35 and 21,945.93

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Solution

The fourth proportional to 39,851.29, 54,994.35 and 21,945.93 is: 30,285.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,851.29 : 54,994.35 = 21,945.93 : x
  2. Step 2: Convert to fraction form
    39,851.29/54,994.35 = 21,945.93/x
  3. Step 3: Cross multiply
    39,851.29x = 54,994.35 × 21,945.93
  4. Step 4: Simplify right side
    39,851.29x = 1,206,902,155.50
  5. Step 5: Solve for x
    x = 1,206,902,155.50/39,851.29
  6. Step 6: Final answer
    x = 30,285.15

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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.