Home / 39,873.67-59,728.49-28,802.59

Finding the Fourth Proportional to 39,873.67, 59,728.49 and 28,802.59

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Solution

The fourth proportional to 39,873.67, 59,728.49 and 28,802.59 is: 43,144.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,873.67 : 59,728.49 = 28,802.59 : x
  2. Step 2: Convert to fraction form
    39,873.67/59,728.49 = 28,802.59/x
  3. Step 3: Cross multiply
    39,873.67x = 59,728.49 × 28,802.59
  4. Step 4: Simplify right side
    39,873.67x = 1,720,335,023.46
  5. Step 5: Solve for x
    x = 1,720,335,023.46/39,873.67
  6. Step 6: Final answer
    x = 43,144.64

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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.