Home / 74,019.49-111,028.21-17,859.13

Finding the Fourth Proportional to 74,019.49, 111,028.21 and 17,859.13

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Solution

The fourth proportional to 74,019.49, 111,028.21 and 17,859.13 is: 26,788.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,019.49 : 111,028.21 = 17,859.13 : x
  2. Step 2: Convert to fraction form
    74,019.49/111,028.21 = 17,859.13/x
  3. Step 3: Cross multiply
    74,019.49x = 111,028.21 × 17,859.13
  4. Step 4: Simplify right side
    74,019.49x = 1,982,867,146.76
  5. Step 5: Solve for x
    x = 1,982,867,146.76/74,019.49
  6. Step 6: Final answer
    x = 26,788.45

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1.5x scale

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.