Home / 84,839.10-127,263.69-22,509.42

Finding the Fourth Proportional to 84,839.10, 127,263.69 and 22,509.42

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Solution

The fourth proportional to 84,839.10, 127,263.69 and 22,509.42 is: 33,765.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,839.10 : 127,263.69 = 22,509.42 : x
  2. Step 2: Convert to fraction form
    84,839.10/127,263.69 = 22,509.42/x
  3. Step 3: Cross multiply
    84,839.10x = 127,263.69 × 22,509.42
  4. Step 4: Simplify right side
    84,839.10x = 2,864,631,848.96
  5. Step 5: Solve for x
    x = 2,864,631,848.96/84,839.10
  6. Step 6: Final answer
    x = 33,765.47

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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.