Home / 47,068.32-70,566-40,819.68

Finding the Fourth Proportional to 47,068.32, 70,566 and 40,819.68

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Solution

The fourth proportional to 47,068.32, 70,566 and 40,819.68 is: 61,197.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,068.32 : 70,566 = 40,819.68 : x
  2. Step 2: Convert to fraction form
    47,068.32/70,566 = 40,819.68/x
  3. Step 3: Cross multiply
    47,068.32x = 70,566 × 40,819.68
  4. Step 4: Simplify right side
    47,068.32x = 2,880,481,538.88
  5. Step 5: Solve for x
    x = 2,880,481,538.88/47,068.32
  6. Step 6: Final answer
    x = 61,197.88

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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.