Home / 77,984.02-116,958.03-21,828.08

Finding the Fourth Proportional to 77,984.02, 116,958.03 and 21,828.08

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Solution

The fourth proportional to 77,984.02, 116,958.03 and 21,828.08 is: 32,737.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,984.02 : 116,958.03 = 21,828.08 : x
  2. Step 2: Convert to fraction form
    77,984.02/116,958.03 = 21,828.08/x
  3. Step 3: Cross multiply
    77,984.02x = 116,958.03 × 21,828.08
  4. Step 4: Simplify right side
    77,984.02x = 2,552,969,446.02
  5. Step 5: Solve for x
    x = 2,552,969,446.02/77,984.02
  6. Step 6: Final answer
    x = 32,737.09

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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.