Home / 30,083.74-45,111.39-9,015.66

Finding the Fourth Proportional to 30,083.74, 45,111.39 and 9,015.66

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Solution

The fourth proportional to 30,083.74, 45,111.39 and 9,015.66 is: 13,519.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,083.74 : 45,111.39 = 9,015.66 : x
  2. Step 2: Convert to fraction form
    30,083.74/45,111.39 = 9,015.66/x
  3. Step 3: Cross multiply
    30,083.74x = 45,111.39 × 9,015.66
  4. Step 4: Simplify right side
    30,083.74x = 406,708,954.37
  5. Step 5: Solve for x
    x = 406,708,954.37/30,083.74
  6. Step 6: Final answer
    x = 13,519.23

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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.