Home / 64,984.41-89,679.17-38,127.36

Finding the Fourth Proportional to 64,984.41, 89,679.17 and 38,127.36

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Solution

The fourth proportional to 64,984.41, 89,679.17 and 38,127.36 is: 52,616.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,984.41 : 89,679.17 = 38,127.36 : x
  2. Step 2: Convert to fraction form
    64,984.41/89,679.17 = 38,127.36/x
  3. Step 3: Cross multiply
    64,984.41x = 89,679.17 × 38,127.36
  4. Step 4: Simplify right side
    64,984.41x = 3,419,229,808.45
  5. Step 5: Solve for x
    x = 3,419,229,808.45/64,984.41
  6. Step 6: Final answer
    x = 52,616.16

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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.