Home / 50,372.98-75,574.08-20,785.30

Finding the Fourth Proportional to 50,372.98, 75,574.08 and 20,785.30

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Solution

The fourth proportional to 50,372.98, 75,574.08 and 20,785.30 is: 31,183.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,372.98 : 75,574.08 = 20,785.30 : x
  2. Step 2: Convert to fraction form
    50,372.98/75,574.08 = 20,785.30/x
  3. Step 3: Cross multiply
    50,372.98x = 75,574.08 × 20,785.30
  4. Step 4: Simplify right side
    50,372.98x = 1,570,829,925.02
  5. Step 5: Solve for x
    x = 1,570,829,925.02/50,372.98
  6. Step 6: Final answer
    x = 31,183.98

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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.