Home / 38,067.33-57,099.68-9,987.17

Finding the Fourth Proportional to 38,067.33, 57,099.68 and 9,987.17

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Solution

The fourth proportional to 38,067.33, 57,099.68 and 9,987.17 is: 14,980.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,067.33 : 57,099.68 = 9,987.17 : x
  2. Step 2: Convert to fraction form
    38,067.33/57,099.68 = 9,987.17/x
  3. Step 3: Cross multiply
    38,067.33x = 57,099.68 × 9,987.17
  4. Step 4: Simplify right side
    38,067.33x = 570,263,875.67
  5. Step 5: Solve for x
    x = 570,263,875.67/38,067.33
  6. Step 6: Final answer
    x = 14,980.40

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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.