Home / 50,023.40-75,007.39-20,461.99

Finding the Fourth Proportional to 50,023.40, 75,007.39 and 20,461.99

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Solution

The fourth proportional to 50,023.40, 75,007.39 and 20,461.99 is: 30,681.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,023.40 : 75,007.39 = 20,461.99 : x
  2. Step 2: Convert to fraction form
    50,023.40/75,007.39 = 20,461.99/x
  3. Step 3: Cross multiply
    50,023.40x = 75,007.39 × 20,461.99
  4. Step 4: Simplify right side
    50,023.40x = 1,534,800,464.11
  5. Step 5: Solve for x
    x = 1,534,800,464.11/50,023.40
  6. Step 6: Final answer
    x = 30,681.65

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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.