Home / 52,290.36-78,447.78-17,228.70

Finding the Fourth Proportional to 52,290.36, 78,447.78 and 17,228.70

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Solution

The fourth proportional to 52,290.36, 78,447.78 and 17,228.70 is: 25,847.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,290.36 : 78,447.78 = 17,228.70 : x
  2. Step 2: Convert to fraction form
    52,290.36/78,447.78 = 17,228.70/x
  3. Step 3: Cross multiply
    52,290.36x = 78,447.78 × 17,228.70
  4. Step 4: Simplify right side
    52,290.36x = 1,351,553,267.29
  5. Step 5: Solve for x
    x = 1,351,553,267.29/52,290.36
  6. Step 6: Final answer
    x = 25,847.08

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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.