Home / 39,682.14-59,562.09-18,920.22

Finding the Fourth Proportional to 39,682.14, 59,562.09 and 18,920.22

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Solution

The fourth proportional to 39,682.14, 59,562.09 and 18,920.22 is: 28,398.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,682.14 : 59,562.09 = 18,920.22 : x
  2. Step 2: Convert to fraction form
    39,682.14/59,562.09 = 18,920.22/x
  3. Step 3: Cross multiply
    39,682.14x = 59,562.09 × 18,920.22
  4. Step 4: Simplify right side
    39,682.14x = 1,126,927,846.46
  5. Step 5: Solve for x
    x = 1,126,927,846.46/39,682.14
  6. Step 6: Final answer
    x = 28,398.87

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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.