Home / 77,220.04-115,850.04-21,816.04

Finding the Fourth Proportional to 77,220.04, 115,850.04 and 21,816.04

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Solution

The fourth proportional to 77,220.04, 115,850.04 and 21,816.04 is: 32,729.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,220.04 : 115,850.04 = 21,816.04 : x
  2. Step 2: Convert to fraction form
    77,220.04/115,850.04 = 21,816.04/x
  3. Step 3: Cross multiply
    77,220.04x = 115,850.04 × 21,816.04
  4. Step 4: Simplify right side
    77,220.04x = 2,527,389,106.64
  5. Step 5: Solve for x
    x = 2,527,389,106.64/77,220.04
  6. Step 6: Final answer
    x = 32,729.70

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1.5x scale

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.