Home / 50,332.66-75,433.36-20,720.68

Finding the Fourth Proportional to 50,332.66, 75,433.36 and 20,720.68

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Solution

The fourth proportional to 50,332.66, 75,433.36 and 20,720.68 is: 31,054.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,332.66 : 75,433.36 = 20,720.68 : x
  2. Step 2: Convert to fraction form
    50,332.66/75,433.36 = 20,720.68/x
  3. Step 3: Cross multiply
    50,332.66x = 75,433.36 × 20,720.68
  4. Step 4: Simplify right side
    50,332.66x = 1,563,030,513.88
  5. Step 5: Solve for x
    x = 1,563,030,513.88/50,332.66
  6. Step 6: Final answer
    x = 31,054.00

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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.