Home / 82,809.38-124,216.11-30,218.84

Finding the Fourth Proportional to 82,809.38, 124,216.11 and 30,218.84

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Solution

The fourth proportional to 82,809.38, 124,216.11 and 30,218.84 is: 45,329.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,809.38 : 124,216.11 = 30,218.84 : x
  2. Step 2: Convert to fraction form
    82,809.38/124,216.11 = 30,218.84/x
  3. Step 3: Cross multiply
    82,809.38x = 124,216.11 × 30,218.84
  4. Step 4: Simplify right side
    82,809.38x = 3,753,666,753.51
  5. Step 5: Solve for x
    x = 3,753,666,753.51/82,809.38
  6. Step 6: Final answer
    x = 45,329.00

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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.