Home / 39,883.68-59,810.63-13,224.78

Finding the Fourth Proportional to 39,883.68, 59,810.63 and 13,224.78

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Solution

The fourth proportional to 39,883.68, 59,810.63 and 13,224.78 is: 19,832.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,883.68 : 59,810.63 = 13,224.78 : x
  2. Step 2: Convert to fraction form
    39,883.68/59,810.63 = 13,224.78/x
  3. Step 3: Cross multiply
    39,883.68x = 59,810.63 × 13,224.78
  4. Step 4: Simplify right side
    39,883.68x = 790,982,357.29
  5. Step 5: Solve for x
    x = 790,982,357.29/39,883.68
  6. Step 6: Final answer
    x = 19,832.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.