Home / 55,940.10-83,924.61-20,880.06

Finding the Fourth Proportional to 55,940.10, 83,924.61 and 20,880.06

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Solution

The fourth proportional to 55,940.10, 83,924.61 and 20,880.06 is: 31,325.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,940.10 : 83,924.61 = 20,880.06 : x
  2. Step 2: Convert to fraction form
    55,940.10/83,924.61 = 20,880.06/x
  3. Step 3: Cross multiply
    55,940.10x = 83,924.61 × 20,880.06
  4. Step 4: Simplify right side
    55,940.10x = 1,752,350,892.28
  5. Step 5: Solve for x
    x = 1,752,350,892.28/55,940.10
  6. Step 6: Final answer
    x = 31,325.49

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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.