Home / 38,644.86-57,975.52-13,346.76

Finding the Fourth Proportional to 38,644.86, 57,975.52 and 13,346.76

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Solution

The fourth proportional to 38,644.86, 57,975.52 and 13,346.76 is: 20,022.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,644.86 : 57,975.52 = 13,346.76 : x
  2. Step 2: Convert to fraction form
    38,644.86/57,975.52 = 13,346.76/x
  3. Step 3: Cross multiply
    38,644.86x = 57,975.52 × 13,346.76
  4. Step 4: Simplify right side
    38,644.86x = 773,785,351.32
  5. Step 5: Solve for x
    x = 773,785,351.32/38,644.86
  6. Step 6: Final answer
    x = 20,022.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.