Home / 45,685.12-68,510.40-17,968

Finding the Fourth Proportional to 45,685.12, 68,510.40 and 17,968

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Solution

The fourth proportional to 45,685.12, 68,510.40 and 17,968 is: 26,945.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,685.12 : 68,510.40 = 17,968 : x
  2. Step 2: Convert to fraction form
    45,685.12/68,510.40 = 17,968/x
  3. Step 3: Cross multiply
    45,685.12x = 68,510.40 × 17,968
  4. Step 4: Simplify right side
    45,685.12x = 1,230,994,867.20
  5. Step 5: Solve for x
    x = 1,230,994,867.20/45,685.12
  6. Step 6: Final answer
    x = 26,945.20

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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.