Home / 52,969.77-79,435.19-21,371.39

Finding the Fourth Proportional to 52,969.77, 79,435.19 and 21,371.39

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Solution

The fourth proportional to 52,969.77, 79,435.19 and 21,371.39 is: 32,049.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,969.77 : 79,435.19 = 21,371.39 : x
  2. Step 2: Convert to fraction form
    52,969.77/79,435.19 = 21,371.39/x
  3. Step 3: Cross multiply
    52,969.77x = 79,435.19 × 21,371.39
  4. Step 4: Simplify right side
    52,969.77x = 1,697,639,921.18
  5. Step 5: Solve for x
    x = 1,697,639,921.18/52,969.77
  6. Step 6: Final answer
    x = 32,049.22

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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.