Home / 52,552.80-78,813.27-19,275.57

Finding the Fourth Proportional to 52,552.80, 78,813.27 and 19,275.57

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Solution

The fourth proportional to 52,552.80, 78,813.27 and 19,275.57 is: 28,907.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,552.80 : 78,813.27 = 19,275.57 : x
  2. Step 2: Convert to fraction form
    52,552.80/78,813.27 = 19,275.57/x
  3. Step 3: Cross multiply
    52,552.80x = 78,813.27 × 19,275.57
  4. Step 4: Simplify right side
    52,552.80x = 1,519,170,702.81
  5. Step 5: Solve for x
    x = 1,519,170,702.81/52,552.80
  6. Step 6: Final answer
    x = 28,907.51

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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.