Home / 42,174.21-63,259.16-12,592.29

Finding the Fourth Proportional to 42,174.21, 63,259.16 and 12,592.29

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Solution

The fourth proportional to 42,174.21, 63,259.16 and 12,592.29 is: 18,887.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,174.21 : 63,259.16 = 12,592.29 : x
  2. Step 2: Convert to fraction form
    42,174.21/63,259.16 = 12,592.29/x
  3. Step 3: Cross multiply
    42,174.21x = 63,259.16 × 12,592.29
  4. Step 4: Simplify right side
    42,174.21x = 796,577,624.91
  5. Step 5: Solve for x
    x = 796,577,624.91/42,174.21
  6. Step 6: Final answer
    x = 18,887.79

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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.