Home / 51,815.61-77,706.90-22,225.50

Finding the Fourth Proportional to 51,815.61, 77,706.90 and 22,225.50

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Solution

The fourth proportional to 51,815.61, 77,706.90 and 22,225.50 is: 33,331.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,815.61 : 77,706.90 = 22,225.50 : x
  2. Step 2: Convert to fraction form
    51,815.61/77,706.90 = 22,225.50/x
  3. Step 3: Cross multiply
    51,815.61x = 77,706.90 × 22,225.50
  4. Step 4: Simplify right side
    51,815.61x = 1,727,074,705.95
  5. Step 5: Solve for x
    x = 1,727,074,705.95/51,815.61
  6. Step 6: Final answer
    x = 33,331.17

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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.