Home / 45,851.80-68,770.35-12,564.12

Finding the Fourth Proportional to 45,851.80, 68,770.35 and 12,564.12

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Solution

The fourth proportional to 45,851.80, 68,770.35 and 12,564.12 is: 18,844.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,851.80 : 68,770.35 = 12,564.12 : x
  2. Step 2: Convert to fraction form
    45,851.80/68,770.35 = 12,564.12/x
  3. Step 3: Cross multiply
    45,851.80x = 68,770.35 × 12,564.12
  4. Step 4: Simplify right side
    45,851.80x = 864,038,929.84
  5. Step 5: Solve for x
    x = 864,038,929.84/45,851.80
  6. Step 6: Final answer
    x = 18,844.17

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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.