Home / 37,480.68-51,722.28-21,553.92

Finding the Fourth Proportional to 37,480.68, 51,722.28 and 21,553.92

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Solution

The fourth proportional to 37,480.68, 51,722.28 and 21,553.92 is: 29,743.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,480.68 : 51,722.28 = 21,553.92 : x
  2. Step 2: Convert to fraction form
    37,480.68/51,722.28 = 21,553.92/x
  3. Step 3: Cross multiply
    37,480.68x = 51,722.28 × 21,553.92
  4. Step 4: Simplify right side
    37,480.68x = 1,114,817,885.34
  5. Step 5: Solve for x
    x = 1,114,817,885.34/37,480.68
  6. Step 6: Final answer
    x = 29,743.80

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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.