Home / 37,613.18-51,905.16-21,696.68

Finding the Fourth Proportional to 37,613.18, 51,905.16 and 21,696.68

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Solution

The fourth proportional to 37,613.18, 51,905.16 and 21,696.68 is: 29,940.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,613.18 : 51,905.16 = 21,696.68 : x
  2. Step 2: Convert to fraction form
    37,613.18/51,905.16 = 21,696.68/x
  3. Step 3: Cross multiply
    37,613.18x = 51,905.16 × 21,696.68
  4. Step 4: Simplify right side
    37,613.18x = 1,126,169,776.63
  5. Step 5: Solve for x
    x = 1,126,169,776.63/37,613.18
  6. Step 6: Final answer
    x = 29,940.83

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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.