Home / 39,476.06-59,215.17-13,179.86

Finding the Fourth Proportional to 39,476.06, 59,215.17 and 13,179.86

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Solution

The fourth proportional to 39,476.06, 59,215.17 and 13,179.86 is: 19,770.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,476.06 : 59,215.17 = 13,179.86 : x
  2. Step 2: Convert to fraction form
    39,476.06/59,215.17 = 13,179.86/x
  3. Step 3: Cross multiply
    39,476.06x = 59,215.17 × 13,179.86
  4. Step 4: Simplify right side
    39,476.06x = 780,447,831.46
  5. Step 5: Solve for x
    x = 780,447,831.46/39,476.06
  6. Step 6: Final answer
    x = 19,770.15

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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.