Home / 35,117.35-48,448.40-21,665.27

Finding the Fourth Proportional to 35,117.35, 48,448.40 and 21,665.27

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Solution

The fourth proportional to 35,117.35, 48,448.40 and 21,665.27 is: 29,889.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,117.35 : 48,448.40 = 21,665.27 : x
  2. Step 2: Convert to fraction form
    35,117.35/48,448.40 = 21,665.27/x
  3. Step 3: Cross multiply
    35,117.35x = 48,448.40 × 21,665.27
  4. Step 4: Simplify right side
    35,117.35x = 1,049,647,679.86
  5. Step 5: Solve for x
    x = 1,049,647,679.86/35,117.35
  6. Step 6: Final answer
    x = 29,889.72

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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.