Home / 39,198,639.92-58,805,808.57-21,951,368.24

Finding the Fourth Proportional to 39,198,639.92, 58,805,808.57 and 21,951,368.24

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Solution

The fourth proportional to 39,198,639.92, 58,805,808.57 and 21,951,368.24 is: 32,931,447.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,198,639.92 : 58,805,808.57 = 21,951,368.24 : x
  2. Step 2: Convert to fraction form
    39,198,639.92/58,805,808.57 = 21,951,368.24/x
  3. Step 3: Cross multiply
    39,198,639.92x = 58,805,808.57 × 21,951,368.24
  4. Step 4: Simplify right side
    39,198,639.92x = 1,290,867,958,276,988.75
  5. Step 5: Solve for x
    x = 1,290,867,958,276,988.75/39,198,639.92
  6. Step 6: Final answer
    x = 32,931,447.65

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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.