Home / 57,724.04-86,599.04-20,286.69

Finding the Fourth Proportional to 57,724.04, 86,599.04 and 20,286.69

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Solution

The fourth proportional to 57,724.04, 86,599.04 and 20,286.69 is: 30,434.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,724.04 : 86,599.04 = 20,286.69 : x
  2. Step 2: Convert to fraction form
    57,724.04/86,599.04 = 20,286.69/x
  3. Step 3: Cross multiply
    57,724.04x = 86,599.04 × 20,286.69
  4. Step 4: Simplify right side
    57,724.04x = 1,756,807,777.34
  5. Step 5: Solve for x
    x = 1,756,807,777.34/57,724.04
  6. Step 6: Final answer
    x = 30,434.60

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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.