Home / 34,190.31-47,178.39-19,083.81

Finding the Fourth Proportional to 34,190.31, 47,178.39 and 19,083.81

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Solution

The fourth proportional to 34,190.31, 47,178.39 and 19,083.81 is: 26,333.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,190.31 : 47,178.39 = 19,083.81 : x
  2. Step 2: Convert to fraction form
    34,190.31/47,178.39 = 19,083.81/x
  3. Step 3: Cross multiply
    34,190.31x = 47,178.39 × 19,083.81
  4. Step 4: Simplify right side
    34,190.31x = 900,343,430.87
  5. Step 5: Solve for x
    x = 900,343,430.87/34,190.31
  6. Step 6: Final answer
    x = 26,333.29

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1.5x scale

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.