Home / 65,441.02-98,170.81-21,057.46

Finding the Fourth Proportional to 65,441.02, 98,170.81 and 21,057.46

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Solution

The fourth proportional to 65,441.02, 98,170.81 and 21,057.46 is: 31,589.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,441.02 : 98,170.81 = 21,057.46 : x
  2. Step 2: Convert to fraction form
    65,441.02/98,170.81 = 21,057.46/x
  3. Step 3: Cross multiply
    65,441.02x = 98,170.81 × 21,057.46
  4. Step 4: Simplify right side
    65,441.02x = 2,067,227,904.74
  5. Step 5: Solve for x
    x = 2,067,227,904.74/65,441.02
  6. Step 6: Final answer
    x = 31,589.18

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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.