Home / 38,329.12-57,494.90-13,371.81

Finding the Fourth Proportional to 38,329.12, 57,494.90 and 13,371.81

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Solution

The fourth proportional to 38,329.12, 57,494.90 and 13,371.81 is: 20,058.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,329.12 : 57,494.90 = 13,371.81 : x
  2. Step 2: Convert to fraction form
    38,329.12/57,494.90 = 13,371.81/x
  3. Step 3: Cross multiply
    38,329.12x = 57,494.90 × 13,371.81
  4. Step 4: Simplify right side
    38,329.12x = 768,810,878.77
  5. Step 5: Solve for x
    x = 768,810,878.77/38,329.12
  6. Step 6: Final answer
    x = 20,058.14

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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.