Home / 45,881.13-68,808.47-12,602.28

Finding the Fourth Proportional to 45,881.13, 68,808.47 and 12,602.28

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Solution

The fourth proportional to 45,881.13, 68,808.47 and 12,602.28 is: 18,899.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,881.13 : 68,808.47 = 12,602.28 : x
  2. Step 2: Convert to fraction form
    45,881.13/68,808.47 = 12,602.28/x
  3. Step 3: Cross multiply
    45,881.13x = 68,808.47 × 12,602.28
  4. Step 4: Simplify right side
    45,881.13x = 867,143,198.26
  5. Step 5: Solve for x
    x = 867,143,198.26/45,881.13
  6. Step 6: Final answer
    x = 18,899.78

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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.