Home / 82,804.17-124,208.31-30,213.66

Finding the Fourth Proportional to 82,804.17, 124,208.31 and 30,213.66

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Solution

The fourth proportional to 82,804.17, 124,208.31 and 30,213.66 is: 45,321.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,804.17 : 124,208.31 = 30,213.66 : x
  2. Step 2: Convert to fraction form
    82,804.17/124,208.31 = 30,213.66/x
  3. Step 3: Cross multiply
    82,804.17x = 124,208.31 × 30,213.66
  4. Step 4: Simplify right side
    82,804.17x = 3,752,787,647.51
  5. Step 5: Solve for x
    x = 3,752,787,647.51/82,804.17
  6. Step 6: Final answer
    x = 45,321.24

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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.