Home / 34,431.76-47,516.78-19,325.36

Finding the Fourth Proportional to 34,431.76, 47,516.78 and 19,325.36

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Solution

The fourth proportional to 34,431.76, 47,516.78 and 19,325.36 is: 26,669.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,431.76 : 47,516.78 = 19,325.36 : x
  2. Step 2: Convert to fraction form
    34,431.76/47,516.78 = 19,325.36/x
  3. Step 3: Cross multiply
    34,431.76x = 47,516.78 × 19,325.36
  4. Step 4: Simplify right side
    34,431.76x = 918,278,782.91
  5. Step 5: Solve for x
    x = 918,278,782.91/34,431.76
  6. Step 6: Final answer
    x = 26,669.53

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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.