Home / 52,277.41-78,416.12-18,991.27

Finding the Fourth Proportional to 52,277.41, 78,416.12 and 18,991.27

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Solution

The fourth proportional to 52,277.41, 78,416.12 and 18,991.27 is: 28,486.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,277.41 : 78,416.12 = 18,991.27 : x
  2. Step 2: Convert to fraction form
    52,277.41/78,416.12 = 18,991.27/x
  3. Step 3: Cross multiply
    52,277.41x = 78,416.12 × 18,991.27
  4. Step 4: Simplify right side
    52,277.41x = 1,489,221,707.27
  5. Step 5: Solve for x
    x = 1,489,221,707.27/52,277.41
  6. Step 6: Final answer
    x = 28,486.91

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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.