Home / 50,130.96-69,182.28-28,911.12

Finding the Fourth Proportional to 50,130.96, 69,182.28 and 28,911.12

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Solution

The fourth proportional to 50,130.96, 69,182.28 and 28,911.12 is: 39,898.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,130.96 : 69,182.28 = 28,911.12 : x
  2. Step 2: Convert to fraction form
    50,130.96/69,182.28 = 28,911.12/x
  3. Step 3: Cross multiply
    50,130.96x = 69,182.28 × 28,911.12
  4. Step 4: Simplify right side
    50,130.96x = 2,000,137,198.95
  5. Step 5: Solve for x
    x = 2,000,137,198.95/50,130.96
  6. Step 6: Final answer
    x = 39,898.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.