Home / 50,275.12-75,422.40-19,107.94

Finding the Fourth Proportional to 50,275.12, 75,422.40 and 19,107.94

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Solution

The fourth proportional to 50,275.12, 75,422.40 and 19,107.94 is: 28,665.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,275.12 : 75,422.40 = 19,107.94 : x
  2. Step 2: Convert to fraction form
    50,275.12/75,422.40 = 19,107.94/x
  3. Step 3: Cross multiply
    50,275.12x = 75,422.40 × 19,107.94
  4. Step 4: Simplify right side
    50,275.12x = 1,441,166,693.86
  5. Step 5: Solve for x
    x = 1,441,166,693.86/50,275.12
  6. Step 6: Final answer
    x = 28,665.60

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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.