Home / 45,477.82-68,219.26-13,892.68

Finding the Fourth Proportional to 45,477.82, 68,219.26 and 13,892.68

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Solution

The fourth proportional to 45,477.82, 68,219.26 and 13,892.68 is: 20,839.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,477.82 : 68,219.26 = 13,892.68 : x
  2. Step 2: Convert to fraction form
    45,477.82/68,219.26 = 13,892.68/x
  3. Step 3: Cross multiply
    45,477.82x = 68,219.26 × 13,892.68
  4. Step 4: Simplify right side
    45,477.82x = 947,748,349.02
  5. Step 5: Solve for x
    x = 947,748,349.02/45,477.82
  6. Step 6: Final answer
    x = 20,839.79

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1.5x scale

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.