Home / 40,091.61-60,119.64-21,368.15

Finding the Fourth Proportional to 40,091.61, 60,119.64 and 21,368.15

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Solution

The fourth proportional to 40,091.61, 60,119.64 and 21,368.15 is: 32,042.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,091.61 : 60,119.64 = 21,368.15 : x
  2. Step 2: Convert to fraction form
    40,091.61/60,119.64 = 21,368.15/x
  3. Step 3: Cross multiply
    40,091.61x = 60,119.64 × 21,368.15
  4. Step 4: Simplify right side
    40,091.61x = 1,284,645,808.59
  5. Step 5: Solve for x
    x = 1,284,645,808.59/40,091.61
  6. Step 6: Final answer
    x = 32,042.76

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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.