Home / 47,040.66-70,532.28-19,991.13

Finding the Fourth Proportional to 47,040.66, 70,532.28 and 19,991.13

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Solution

The fourth proportional to 47,040.66, 70,532.28 and 19,991.13 is: 29,974.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,040.66 : 70,532.28 = 19,991.13 : x
  2. Step 2: Convert to fraction form
    47,040.66/70,532.28 = 19,991.13/x
  3. Step 3: Cross multiply
    47,040.66x = 70,532.28 × 19,991.13
  4. Step 4: Simplify right side
    47,040.66x = 1,410,019,978.68
  5. Step 5: Solve for x
    x = 1,410,019,978.68/47,040.66
  6. Step 6: Final answer
    x = 29,974.49

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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.