Home / 47,716.41-71,599.22-19,657.20

Finding the Fourth Proportional to 47,716.41, 71,599.22 and 19,657.20

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Solution

The fourth proportional to 47,716.41, 71,599.22 and 19,657.20 is: 29,495.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,716.41 : 71,599.22 = 19,657.20 : x
  2. Step 2: Convert to fraction form
    47,716.41/71,599.22 = 19,657.20/x
  3. Step 3: Cross multiply
    47,716.41x = 71,599.22 × 19,657.20
  4. Step 4: Simplify right side
    47,716.41x = 1,407,440,089.10
  5. Step 5: Solve for x
    x = 1,407,440,089.10/47,716.41
  6. Step 6: Final answer
    x = 29,495.93

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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.