Home / 51,098.40-70,517.16-30,951

Finding the Fourth Proportional to 51,098.40, 70,517.16 and 30,951

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Solution

The fourth proportional to 51,098.40, 70,517.16 and 30,951 is: 42,713.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,098.40 : 70,517.16 = 30,951 : x
  2. Step 2: Convert to fraction form
    51,098.40/70,517.16 = 30,951/x
  3. Step 3: Cross multiply
    51,098.40x = 70,517.16 × 30,951
  4. Step 4: Simplify right side
    51,098.40x = 2,182,576,619.16
  5. Step 5: Solve for x
    x = 2,182,576,619.16/51,098.40
  6. Step 6: Final answer
    x = 42,713.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.