Home / 38,306.62-52,846.63-21,945.13

Finding the Fourth Proportional to 38,306.62, 52,846.63 and 21,945.13

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Solution

The fourth proportional to 38,306.62, 52,846.63 and 21,945.13 is: 30,274.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,306.62 : 52,846.63 = 21,945.13 : x
  2. Step 2: Convert to fraction form
    38,306.62/52,846.63 = 21,945.13/x
  3. Step 3: Cross multiply
    38,306.62x = 52,846.63 × 21,945.13
  4. Step 4: Simplify right side
    38,306.62x = 1,159,725,978.43
  5. Step 5: Solve for x
    x = 1,159,725,978.43/38,306.62
  6. Step 6: Final answer
    x = 30,274.82

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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.