Home / 51,970.27-77,922.74-21,968.95

Finding the Fourth Proportional to 51,970.27, 77,922.74 and 21,968.95

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Solution

The fourth proportional to 51,970.27, 77,922.74 and 21,968.95 is: 32,939.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,970.27 : 77,922.74 = 21,968.95 : x
  2. Step 2: Convert to fraction form
    51,970.27/77,922.74 = 21,968.95/x
  3. Step 3: Cross multiply
    51,970.27x = 77,922.74 × 21,968.95
  4. Step 4: Simplify right side
    51,970.27x = 1,711,880,669.08
  5. Step 5: Solve for x
    x = 1,711,880,669.08/51,970.27
  6. Step 6: Final answer
    x = 32,939.61

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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.