Home / 39,468.66-59,210.77-12,809.68

Finding the Fourth Proportional to 39,468.66, 59,210.77 and 12,809.68

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Solution

The fourth proportional to 39,468.66, 59,210.77 and 12,809.68 is: 19,217.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,468.66 : 59,210.77 = 12,809.68 : x
  2. Step 2: Convert to fraction form
    39,468.66/59,210.77 = 12,809.68/x
  3. Step 3: Cross multiply
    39,468.66x = 59,210.77 × 12,809.68
  4. Step 4: Simplify right side
    39,468.66x = 758,471,016.25
  5. Step 5: Solve for x
    x = 758,471,016.25/39,468.66
  6. Step 6: Final answer
    x = 19,217.05

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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.