Home / 34,478.47-47,581.41-19,374.04

Finding the Fourth Proportional to 34,478.47, 47,581.41 and 19,374.04

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Solution

The fourth proportional to 34,478.47, 47,581.41 and 19,374.04 is: 26,736.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,478.47 : 47,581.41 = 19,374.04 : x
  2. Step 2: Convert to fraction form
    34,478.47/47,581.41 = 19,374.04/x
  3. Step 3: Cross multiply
    34,478.47x = 47,581.41 × 19,374.04
  4. Step 4: Simplify right side
    34,478.47x = 921,844,140.60
  5. Step 5: Solve for x
    x = 921,844,140.60/34,478.47
  6. Step 6: Final answer
    x = 26,736.81

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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.