Home / 38,733.38-53,452.06-21,966.38

Finding the Fourth Proportional to 38,733.38, 53,452.06 and 21,966.38

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Solution

The fourth proportional to 38,733.38, 53,452.06 and 21,966.38 is: 30,313.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,733.38 : 53,452.06 = 21,966.38 : x
  2. Step 2: Convert to fraction form
    38,733.38/53,452.06 = 21,966.38/x
  3. Step 3: Cross multiply
    38,733.38x = 53,452.06 × 21,966.38
  4. Step 4: Simplify right side
    38,733.38x = 1,174,147,939.57
  5. Step 5: Solve for x
    x = 1,174,147,939.57/38,733.38
  6. Step 6: Final answer
    x = 30,313.60

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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.