Home / 49,816.04-74,672.15-21,728.55

Finding the Fourth Proportional to 49,816.04, 74,672.15 and 21,728.55

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Solution

The fourth proportional to 49,816.04, 74,672.15 and 21,728.55 is: 32,570.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,816.04 : 74,672.15 = 21,728.55 : x
  2. Step 2: Convert to fraction form
    49,816.04/74,672.15 = 21,728.55/x
  3. Step 3: Cross multiply
    49,816.04x = 74,672.15 × 21,728.55
  4. Step 4: Simplify right side
    49,816.04x = 1,622,517,385.36
  5. Step 5: Solve for x
    x = 1,622,517,385.36/49,816.04
  6. Step 6: Final answer
    x = 32,570.18

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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.