Home / 38,716.20-58,041.90-20,248.20

Finding the Fourth Proportional to 38,716.20, 58,041.90 and 20,248.20

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Solution

The fourth proportional to 38,716.20, 58,041.90 and 20,248.20 is: 30,355.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,716.20 : 58,041.90 = 20,248.20 : x
  2. Step 2: Convert to fraction form
    38,716.20/58,041.90 = 20,248.20/x
  3. Step 3: Cross multiply
    38,716.20x = 58,041.90 × 20,248.20
  4. Step 4: Simplify right side
    38,716.20x = 1,175,243,999.58
  5. Step 5: Solve for x
    x = 1,175,243,999.58/38,716.20
  6. Step 6: Final answer
    x = 30,355.36

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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.