Home / 64,851.36-89,494.67-36,171.05

Finding the Fourth Proportional to 64,851.36, 89,494.67 and 36,171.05

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Solution

The fourth proportional to 64,851.36, 89,494.67 and 36,171.05 is: 49,915.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,851.36 : 89,494.67 = 36,171.05 : x
  2. Step 2: Convert to fraction form
    64,851.36/89,494.67 = 36,171.05/x
  3. Step 3: Cross multiply
    64,851.36x = 89,494.67 × 36,171.05
  4. Step 4: Simplify right side
    64,851.36x = 3,237,115,554.97
  5. Step 5: Solve for x
    x = 3,237,115,554.97/64,851.36
  6. Step 6: Final answer
    x = 49,915.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.