Home / 43,278.68-64,948.77-16,983.42

Finding the Fourth Proportional to 43,278.68, 64,948.77 and 16,983.42

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Solution

The fourth proportional to 43,278.68, 64,948.77 and 16,983.42 is: 25,487.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,278.68 : 64,948.77 = 16,983.42 : x
  2. Step 2: Convert to fraction form
    43,278.68/64,948.77 = 16,983.42/x
  3. Step 3: Cross multiply
    43,278.68x = 64,948.77 × 16,983.42
  4. Step 4: Simplify right side
    43,278.68x = 1,103,052,432.82
  5. Step 5: Solve for x
    x = 1,103,052,432.82/43,278.68
  6. Step 6: Final answer
    x = 25,487.20

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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.