Home / 34,438.08-47,516.80-20,292.24

Finding the Fourth Proportional to 34,438.08, 47,516.80 and 20,292.24

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Solution

The fourth proportional to 34,438.08, 47,516.80 and 20,292.24 is: 27,998.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,438.08 : 47,516.80 = 20,292.24 : x
  2. Step 2: Convert to fraction form
    34,438.08/47,516.80 = 20,292.24/x
  3. Step 3: Cross multiply
    34,438.08x = 47,516.80 × 20,292.24
  4. Step 4: Simplify right side
    34,438.08x = 964,222,309.63
  5. Step 5: Solve for x
    x = 964,222,309.63/34,438.08
  6. Step 6: Final answer
    x = 27,998.72

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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.