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Finding the Fourth Proportional to 58,657.25, 80,647.28 and 52,222.61

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Solution

The fourth proportional to 58,657.25, 80,647.28 and 52,222.61 is: 71,800.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,657.25 : 80,647.28 = 52,222.61 : x
  2. Step 2: Convert to fraction form
    58,657.25/80,647.28 = 52,222.61/x
  3. Step 3: Cross multiply
    58,657.25x = 80,647.28 × 52,222.61
  4. Step 4: Simplify right side
    58,657.25x = 4,211,610,786.65
  5. Step 5: Solve for x
    x = 4,211,610,786.65/58,657.25
  6. Step 6: Final answer
    x = 71,800.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.