Home / 35,117.87-48,462.18-20,011.42

Finding the Fourth Proportional to 35,117.87, 48,462.18 and 20,011.42

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Solution

The fourth proportional to 35,117.87, 48,462.18 and 20,011.42 is: 27,615.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,117.87 : 48,462.18 = 20,011.42 : x
  2. Step 2: Convert to fraction form
    35,117.87/48,462.18 = 20,011.42/x
  3. Step 3: Cross multiply
    35,117.87x = 48,462.18 × 20,011.42
  4. Step 4: Simplify right side
    35,117.87x = 969,797,023.63
  5. Step 5: Solve for x
    x = 969,797,023.63/35,117.87
  6. Step 6: Final answer
    x = 27,615.49

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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.