Home / 38,945.46-53,743.47-21,948.37

Finding the Fourth Proportional to 38,945.46, 53,743.47 and 21,948.37

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Solution

The fourth proportional to 38,945.46, 53,743.47 and 21,948.37 is: 30,288.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,945.46 : 53,743.47 = 21,948.37 : x
  2. Step 2: Convert to fraction form
    38,945.46/53,743.47 = 21,948.37/x
  3. Step 3: Cross multiply
    38,945.46x = 53,743.47 × 21,948.37
  4. Step 4: Simplify right side
    38,945.46x = 1,179,581,533.17
  5. Step 5: Solve for x
    x = 1,179,581,533.17/38,945.46
  6. Step 6: Final answer
    x = 30,288.04

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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.