Home / 34,685.40-47,867.27-19,578.04

Finding the Fourth Proportional to 34,685.40, 47,867.27 and 19,578.04

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Solution

The fourth proportional to 34,685.40, 47,867.27 and 19,578.04 is: 27,018.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,685.40 : 47,867.27 = 19,578.04 : x
  2. Step 2: Convert to fraction form
    34,685.40/47,867.27 = 19,578.04/x
  3. Step 3: Cross multiply
    34,685.40x = 47,867.27 × 19,578.04
  4. Step 4: Simplify right side
    34,685.40x = 937,147,326.75
  5. Step 5: Solve for x
    x = 937,147,326.75/34,685.40
  6. Step 6: Final answer
    x = 27,018.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.