Home / 40,410.08-55,711.55-28,294.27

Finding the Fourth Proportional to 40,410.08, 55,711.55 and 28,294.27

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Solution

The fourth proportional to 40,410.08, 55,711.55 and 28,294.27 is: 39,008.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,410.08 : 55,711.55 = 28,294.27 : x
  2. Step 2: Convert to fraction form
    40,410.08/55,711.55 = 28,294.27/x
  3. Step 3: Cross multiply
    40,410.08x = 55,711.55 × 28,294.27
  4. Step 4: Simplify right side
    40,410.08x = 1,576,317,217.79
  5. Step 5: Solve for x
    x = 1,576,317,217.79/40,410.08
  6. Step 6: Final answer
    x = 39,008.02

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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.