Home / 52,231.77-78,347.61-18,951.75

Finding the Fourth Proportional to 52,231.77, 78,347.61 and 18,951.75

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Solution

The fourth proportional to 52,231.77, 78,347.61 and 18,951.75 is: 28,427.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,231.77 : 78,347.61 = 18,951.75 : x
  2. Step 2: Convert to fraction form
    52,231.77/78,347.61 = 18,951.75/x
  3. Step 3: Cross multiply
    52,231.77x = 78,347.61 × 18,951.75
  4. Step 4: Simplify right side
    52,231.77x = 1,484,824,317.82
  5. Step 5: Solve for x
    x = 1,484,824,317.82/52,231.77
  6. Step 6: Final answer
    x = 28,427.61

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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.