Home / 50,715.28-69,985.02-27,744.72

Finding the Fourth Proportional to 50,715.28, 69,985.02 and 27,744.72

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Solution

The fourth proportional to 50,715.28, 69,985.02 and 27,744.72 is: 38,286.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,715.28 : 69,985.02 = 27,744.72 : x
  2. Step 2: Convert to fraction form
    50,715.28/69,985.02 = 27,744.72/x
  3. Step 3: Cross multiply
    50,715.28x = 69,985.02 × 27,744.72
  4. Step 4: Simplify right side
    50,715.28x = 1,941,714,784.09
  5. Step 5: Solve for x
    x = 1,941,714,784.09/50,715.28
  6. Step 6: Final answer
    x = 38,286.58

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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.