Home / 42,174.17-63,198.83-18,459.80

Finding the Fourth Proportional to 42,174.17, 63,198.83 and 18,459.80

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Solution

The fourth proportional to 42,174.17, 63,198.83 and 18,459.80 is: 27,662.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,174.17 : 63,198.83 = 18,459.80 : x
  2. Step 2: Convert to fraction form
    42,174.17/63,198.83 = 18,459.80/x
  3. Step 3: Cross multiply
    42,174.17x = 63,198.83 × 18,459.80
  4. Step 4: Simplify right side
    42,174.17x = 1,166,637,729.18
  5. Step 5: Solve for x
    x = 1,166,637,729.18/42,174.17
  6. Step 6: Final answer
    x = 27,662.38

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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.