Home / 51,370.40-70,874.52-30,154.88

Finding the Fourth Proportional to 51,370.40, 70,874.52 and 30,154.88

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Solution

The fourth proportional to 51,370.40, 70,874.52 and 30,154.88 is: 41,603.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,370.40 : 70,874.52 = 30,154.88 : x
  2. Step 2: Convert to fraction form
    51,370.40/70,874.52 = 30,154.88/x
  3. Step 3: Cross multiply
    51,370.40x = 70,874.52 × 30,154.88
  4. Step 4: Simplify right side
    51,370.40x = 2,137,212,645.66
  5. Step 5: Solve for x
    x = 2,137,212,645.66/51,370.40
  6. Step 6: Final answer
    x = 41,603.97

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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.