Home / 50,371.98-75,572.58-20,784.30

Finding the Fourth Proportional to 50,371.98, 75,572.58 and 20,784.30

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Solution

The fourth proportional to 50,371.98, 75,572.58 and 20,784.30 is: 31,182.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,371.98 : 75,572.58 = 20,784.30 : x
  2. Step 2: Convert to fraction form
    50,371.98/75,572.58 = 20,784.30/x
  3. Step 3: Cross multiply
    50,371.98x = 75,572.58 × 20,784.30
  4. Step 4: Simplify right side
    50,371.98x = 1,570,723,174.49
  5. Step 5: Solve for x
    x = 1,570,723,174.49/50,371.98
  6. Step 6: Final answer
    x = 31,182.48

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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.