Home / 52,451.19-78,665.85-19,186.92

Finding the Fourth Proportional to 52,451.19, 78,665.85 and 19,186.92

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Solution

The fourth proportional to 52,451.19, 78,665.85 and 19,186.92 is: 28,776.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,451.19 : 78,665.85 = 19,186.92 : x
  2. Step 2: Convert to fraction form
    52,451.19/78,665.85 = 19,186.92/x
  3. Step 3: Cross multiply
    52,451.19x = 78,665.85 × 19,186.92
  4. Step 4: Simplify right side
    52,451.19x = 1,509,355,370.68
  5. Step 5: Solve for x
    x = 1,509,355,370.68/52,451.19
  6. Step 6: Final answer
    x = 28,776.38

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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.