Home / 52,555.26-78,786.00-19,267.55

Finding the Fourth Proportional to 52,555.26, 78,786.00 and 19,267.55

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Solution

The fourth proportional to 52,555.26, 78,786.00 and 19,267.55 is: 28,884.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,555.26 : 78,786.00 = 19,267.55 : x
  2. Step 2: Convert to fraction form
    52,555.26/78,786.00 = 19,267.55/x
  3. Step 3: Cross multiply
    52,555.26x = 78,786.00 × 19,267.55
  4. Step 4: Simplify right side
    52,555.26x = 1,518,012,949.17
  5. Step 5: Solve for x
    x = 1,518,012,949.17/52,555.26
  6. Step 6: Final answer
    x = 28,884.13

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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.