Home / 51,340.10-70,819.77-30,907.96

Finding the Fourth Proportional to 51,340.10, 70,819.77 and 30,907.96

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Solution

The fourth proportional to 51,340.10, 70,819.77 and 30,907.96 is: 42,635.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,340.10 : 70,819.77 = 30,907.96 : x
  2. Step 2: Convert to fraction form
    51,340.10/70,819.77 = 30,907.96/x
  3. Step 3: Cross multiply
    51,340.10x = 70,819.77 × 30,907.96
  4. Step 4: Simplify right side
    51,340.10x = 2,188,894,441.32
  5. Step 5: Solve for x
    x = 2,188,894,441.32/51,340.10
  6. Step 6: Final answer
    x = 42,635.18

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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.