Home / 38,385.77-57,595.38-13,443.71

Finding the Fourth Proportional to 38,385.77, 57,595.38 and 13,443.71

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Solution

The fourth proportional to 38,385.77, 57,595.38 and 13,443.71 is: 20,171.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,385.77 : 57,595.38 = 13,443.71 : x
  2. Step 2: Convert to fraction form
    38,385.77/57,595.38 = 13,443.71/x
  3. Step 3: Cross multiply
    38,385.77x = 57,595.38 × 13,443.71
  4. Step 4: Simplify right side
    38,385.77x = 774,295,298.08
  5. Step 5: Solve for x
    x = 774,295,298.08/38,385.77
  6. Step 6: Final answer
    x = 20,171.42

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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.