Home / 50,650.21-69,897.02-27,990.78

Finding the Fourth Proportional to 50,650.21, 69,897.02 and 27,990.78

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Solution

The fourth proportional to 50,650.21, 69,897.02 and 27,990.78 is: 38,627.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,650.21 : 69,897.02 = 27,990.78 : x
  2. Step 2: Convert to fraction form
    50,650.21/69,897.02 = 27,990.78/x
  3. Step 3: Cross multiply
    50,650.21x = 69,897.02 × 27,990.78
  4. Step 4: Simplify right side
    50,650.21x = 1,956,472,109.48
  5. Step 5: Solve for x
    x = 1,956,472,109.48/50,650.21
  6. Step 6: Final answer
    x = 38,627.13

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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.