Home / 52,683.82-79,025.80-21,519.08

Finding the Fourth Proportional to 52,683.82, 79,025.80 and 21,519.08

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Solution

The fourth proportional to 52,683.82, 79,025.80 and 21,519.08 is: 32,278.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,683.82 : 79,025.80 = 21,519.08 : x
  2. Step 2: Convert to fraction form
    52,683.82/79,025.80 = 21,519.08/x
  3. Step 3: Cross multiply
    52,683.82x = 79,025.80 × 21,519.08
  4. Step 4: Simplify right side
    52,683.82x = 1,700,562,512.26
  5. Step 5: Solve for x
    x = 1,700,562,512.26/52,683.82
  6. Step 6: Final answer
    x = 32,278.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.