Home / 66,649.30-99,936.15-27,160.18

Finding the Fourth Proportional to 66,649.30, 99,936.15 and 27,160.18

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Solution

The fourth proportional to 66,649.30, 99,936.15 and 27,160.18 is: 40,724.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,649.30 : 99,936.15 = 27,160.18 : x
  2. Step 2: Convert to fraction form
    66,649.30/99,936.15 = 27,160.18/x
  3. Step 3: Cross multiply
    66,649.30x = 99,936.15 × 27,160.18
  4. Step 4: Simplify right side
    66,649.30x = 2,714,283,822.51
  5. Step 5: Solve for x
    x = 2,714,283,822.51/66,649.30
  6. Step 6: Final answer
    x = 40,724.87

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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.