Home / 39,812.97-59,721.55-10,231.01

Finding the Fourth Proportional to 39,812.97, 59,721.55 and 10,231.01

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Solution

The fourth proportional to 39,812.97, 59,721.55 and 10,231.01 is: 15,347.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,812.97 : 59,721.55 = 10,231.01 : x
  2. Step 2: Convert to fraction form
    39,812.97/59,721.55 = 10,231.01/x
  3. Step 3: Cross multiply
    39,812.97x = 59,721.55 × 10,231.01
  4. Step 4: Simplify right side
    39,812.97x = 611,011,775.27
  5. Step 5: Solve for x
    x = 611,011,775.27/39,812.97
  6. Step 6: Final answer
    x = 15,347.05

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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.