Home / 38,560.65-53,213.33-21,564.71

Finding the Fourth Proportional to 38,560.65, 53,213.33 and 21,564.71

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Solution

The fourth proportional to 38,560.65, 53,213.33 and 21,564.71 is: 29,759.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,560.65 : 53,213.33 = 21,564.71 : x
  2. Step 2: Convert to fraction form
    38,560.65/53,213.33 = 21,564.71/x
  3. Step 3: Cross multiply
    38,560.65x = 53,213.33 × 21,564.71
  4. Step 4: Simplify right side
    38,560.65x = 1,147,529,655.69
  5. Step 5: Solve for x
    x = 1,147,529,655.69/38,560.65
  6. Step 6: Final answer
    x = 29,759.08

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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.