Home / 38,949.10-53,749.80-21,044.14

Finding the Fourth Proportional to 38,949.10, 53,749.80 and 21,044.14

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Solution

The fourth proportional to 38,949.10, 53,749.80 and 21,044.14 is: 29,040.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,949.10 : 53,749.80 = 21,044.14 : x
  2. Step 2: Convert to fraction form
    38,949.10/53,749.80 = 21,044.14/x
  3. Step 3: Cross multiply
    38,949.10x = 53,749.80 × 21,044.14
  4. Step 4: Simplify right side
    38,949.10x = 1,131,118,316.17
  5. Step 5: Solve for x
    x = 1,131,118,316.17/38,949.10
  6. Step 6: Final answer
    x = 29,040.94

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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.