Home / 61,028.30-84,208.91-38,351.18

Finding the Fourth Proportional to 61,028.30, 84,208.91 and 38,351.18

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Solution

The fourth proportional to 61,028.30, 84,208.91 and 38,351.18 is: 52,918.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,028.30 : 84,208.91 = 38,351.18 : x
  2. Step 2: Convert to fraction form
    61,028.30/84,208.91 = 38,351.18/x
  3. Step 3: Cross multiply
    61,028.30x = 84,208.91 × 38,351.18
  4. Step 4: Simplify right side
    61,028.30x = 3,229,510,452.21
  5. Step 5: Solve for x
    x = 3,229,510,452.21/61,028.30
  6. Step 6: Final answer
    x = 52,918.25

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1.5x scale

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.