Home / 33,422.78-50,156.04-12,646.28

Finding the Fourth Proportional to 33,422.78, 50,156.04 and 12,646.28

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Solution

The fourth proportional to 33,422.78, 50,156.04 and 12,646.28 is: 18,977.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,422.78 : 50,156.04 = 12,646.28 : x
  2. Step 2: Convert to fraction form
    33,422.78/50,156.04 = 12,646.28/x
  3. Step 3: Cross multiply
    33,422.78x = 50,156.04 × 12,646.28
  4. Step 4: Simplify right side
    33,422.78x = 634,287,325.53
  5. Step 5: Solve for x
    x = 634,287,325.53/33,422.78
  6. Step 6: Final answer
    x = 18,977.70

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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.