Home / 37,151.84-51,269.68-21,236.80

Finding the Fourth Proportional to 37,151.84, 51,269.68 and 21,236.80

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Solution

The fourth proportional to 37,151.84, 51,269.68 and 21,236.80 is: 29,306.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,151.84 : 51,269.68 = 21,236.80 : x
  2. Step 2: Convert to fraction form
    37,151.84/51,269.68 = 21,236.80/x
  3. Step 3: Cross multiply
    37,151.84x = 51,269.68 × 21,236.80
  4. Step 4: Simplify right side
    37,151.84x = 1,088,803,940.22
  5. Step 5: Solve for x
    x = 1,088,803,940.22/37,151.84
  6. Step 6: Final answer
    x = 29,306.86

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Find fourth proportional to 37,152.84, 51,271.06 and 21,237.80
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.