Home / 77,660.02-116,492.69-21,495.43

Finding the Fourth Proportional to 77,660.02, 116,492.69 and 21,495.43

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Solution

The fourth proportional to 77,660.02, 116,492.69 and 21,495.43 is: 32,243.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,660.02 : 116,492.69 = 21,495.43 : x
  2. Step 2: Convert to fraction form
    77,660.02/116,492.69 = 21,495.43/x
  3. Step 3: Cross multiply
    77,660.02x = 116,492.69 × 21,495.43
  4. Step 4: Simplify right side
    77,660.02x = 2,504,060,463.41
  5. Step 5: Solve for x
    x = 2,504,060,463.41/77,660.02
  6. Step 6: Final answer
    x = 32,243.88

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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.