Home / 35,986.29-49,645.02-20,870.19

Finding the Fourth Proportional to 35,986.29, 49,645.02 and 20,870.19

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Solution

The fourth proportional to 35,986.29, 49,645.02 and 20,870.19 is: 28,791.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,986.29 : 49,645.02 = 20,870.19 : x
  2. Step 2: Convert to fraction form
    35,986.29/49,645.02 = 20,870.19/x
  3. Step 3: Cross multiply
    35,986.29x = 49,645.02 × 20,870.19
  4. Step 4: Simplify right side
    35,986.29x = 1,036,101,214.29
  5. Step 5: Solve for x
    x = 1,036,101,214.29/35,986.29
  6. Step 6: Final answer
    x = 28,791.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.