Home / 60,661.36-90,987.60-20,677.02

Finding the Fourth Proportional to 60,661.36, 90,987.60 and 20,677.02

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Solution

The fourth proportional to 60,661.36, 90,987.60 and 20,677.02 is: 31,014.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,661.36 : 90,987.60 = 20,677.02 : x
  2. Step 2: Convert to fraction form
    60,661.36/90,987.60 = 20,677.02/x
  3. Step 3: Cross multiply
    60,661.36x = 90,987.60 × 20,677.02
  4. Step 4: Simplify right side
    60,661.36x = 1,881,352,673.09
  5. Step 5: Solve for x
    x = 1,881,352,673.09/60,661.36
  6. Step 6: Final answer
    x = 31,014.02

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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.