Home / 59,987.67-89,972.26-20,007.36

Finding the Fourth Proportional to 59,987.67, 89,972.26 and 20,007.36

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Solution

The fourth proportional to 59,987.67, 89,972.26 and 20,007.36 is: 30,007.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,987.67 : 89,972.26 = 20,007.36 : x
  2. Step 2: Convert to fraction form
    59,987.67/89,972.26 = 20,007.36/x
  3. Step 3: Cross multiply
    59,987.67x = 89,972.26 × 20,007.36
  4. Step 4: Simplify right side
    59,987.67x = 1,800,107,395.83
  5. Step 5: Solve for x
    x = 1,800,107,395.83/59,987.67
  6. Step 6: Final answer
    x = 30,007.96

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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.