Home / 37,140.28-51,250.26-21,224.68

Finding the Fourth Proportional to 37,140.28, 51,250.26 and 21,224.68

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Solution

The fourth proportional to 37,140.28, 51,250.26 and 21,224.68 is: 29,288.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,140.28 : 51,250.26 = 21,224.68 : x
  2. Step 2: Convert to fraction form
    37,140.28/51,250.26 = 21,224.68/x
  3. Step 3: Cross multiply
    37,140.28x = 51,250.26 × 21,224.68
  4. Step 4: Simplify right side
    37,140.28x = 1,087,770,368.42
  5. Step 5: Solve for x
    x = 1,087,770,368.42/37,140.28
  6. Step 6: Final answer
    x = 29,288.16

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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.