Home / 52,069.66-78,105.46-18,792.22

Finding the Fourth Proportional to 52,069.66, 78,105.46 and 18,792.22

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Solution

The fourth proportional to 52,069.66, 78,105.46 and 18,792.22 is: 28,188.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,069.66 : 78,105.46 = 18,792.22 : x
  2. Step 2: Convert to fraction form
    52,069.66/78,105.46 = 18,792.22/x
  3. Step 3: Cross multiply
    52,069.66x = 78,105.46 × 18,792.22
  4. Step 4: Simplify right side
    52,069.66x = 1,467,774,987.52
  5. Step 5: Solve for x
    x = 1,467,774,987.52/52,069.66
  6. Step 6: Final answer
    x = 28,188.68

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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.