Home / 60,649.46-90,933.06-21,185

Finding the Fourth Proportional to 60,649.46, 90,933.06 and 21,185

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Solution

The fourth proportional to 60,649.46, 90,933.06 and 21,185 is: 31,763.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,649.46 : 90,933.06 = 21,185 : x
  2. Step 2: Convert to fraction form
    60,649.46/90,933.06 = 21,185/x
  3. Step 3: Cross multiply
    60,649.46x = 90,933.06 × 21,185
  4. Step 4: Simplify right side
    60,649.46x = 1,926,416,876.10
  5. Step 5: Solve for x
    x = 1,926,416,876.10/60,649.46
  6. Step 6: Final answer
    x = 31,763.13

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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.