Home / 34,447.74-47,542.64-19,137.72

Finding the Fourth Proportional to 34,447.74, 47,542.64 and 19,137.72

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Solution

The fourth proportional to 34,447.74, 47,542.64 and 19,137.72 is: 26,412.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,447.74 : 47,542.64 = 19,137.72 : x
  2. Step 2: Convert to fraction form
    34,447.74/47,542.64 = 19,137.72/x
  3. Step 3: Cross multiply
    34,447.74x = 47,542.64 × 19,137.72
  4. Step 4: Simplify right side
    34,447.74x = 909,857,636.69
  5. Step 5: Solve for x
    x = 909,857,636.69/34,447.74
  6. Step 6: Final answer
    x = 26,412.69

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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.