Home / 52,479.58-72,419.09-29,815.43

Finding the Fourth Proportional to 52,479.58, 72,419.09 and 29,815.43

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Solution

The fourth proportional to 52,479.58, 72,419.09 and 29,815.43 is: 41,143.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,479.58 : 72,419.09 = 29,815.43 : x
  2. Step 2: Convert to fraction form
    52,479.58/72,419.09 = 29,815.43/x
  3. Step 3: Cross multiply
    52,479.58x = 72,419.09 × 29,815.43
  4. Step 4: Simplify right side
    52,479.58x = 2,159,206,388.42
  5. Step 5: Solve for x
    x = 2,159,206,388.42/52,479.58
  6. Step 6: Final answer
    x = 41,143.74

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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.