Home / 34,101.96-47,048.22-20,663.52

Finding the Fourth Proportional to 34,101.96, 47,048.22 and 20,663.52

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Solution

The fourth proportional to 34,101.96, 47,048.22 and 20,663.52 is: 28,508.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,101.96 : 47,048.22 = 20,663.52 : x
  2. Step 2: Convert to fraction form
    34,101.96/47,048.22 = 20,663.52/x
  3. Step 3: Cross multiply
    34,101.96x = 47,048.22 × 20,663.52
  4. Step 4: Simplify right side
    34,101.96x = 972,181,834.93
  5. Step 5: Solve for x
    x = 972,181,834.93/34,101.96
  6. Step 6: Final answer
    x = 28,508.09

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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.