Home / 40,892.49-61,331.85-13,190.49

Finding the Fourth Proportional to 40,892.49, 61,331.85 and 13,190.49

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Solution

The fourth proportional to 40,892.49, 61,331.85 and 13,190.49 is: 19,783.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,892.49 : 61,331.85 = 13,190.49 : x
  2. Step 2: Convert to fraction form
    40,892.49/61,331.85 = 13,190.49/x
  3. Step 3: Cross multiply
    40,892.49x = 61,331.85 × 13,190.49
  4. Step 4: Simplify right side
    40,892.49x = 808,997,154.11
  5. Step 5: Solve for x
    x = 808,997,154.11/40,892.49
  6. Step 6: Final answer
    x = 19,783.51

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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.