Home / 51,141.56-70,539-34,137.23

Finding the Fourth Proportional to 51,141.56, 70,539 and 34,137.23

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Solution

The fourth proportional to 51,141.56, 70,539 and 34,137.23 is: 47,085.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,141.56 : 70,539 = 34,137.23 : x
  2. Step 2: Convert to fraction form
    51,141.56/70,539 = 34,137.23/x
  3. Step 3: Cross multiply
    51,141.56x = 70,539 × 34,137.23
  4. Step 4: Simplify right side
    51,141.56x = 2,408,006,066.97
  5. Step 5: Solve for x
    x = 2,408,006,066.97/51,141.56
  6. Step 6: Final answer
    x = 47,085.11

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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.