Home / 51,342.28-77,025.26-21,761.28

Finding the Fourth Proportional to 51,342.28, 77,025.26 and 21,761.28

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Solution

The fourth proportional to 51,342.28, 77,025.26 and 21,761.28 is: 32,646.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,342.28 : 77,025.26 = 21,761.28 : x
  2. Step 2: Convert to fraction form
    51,342.28/77,025.26 = 21,761.28/x
  3. Step 3: Cross multiply
    51,342.28x = 77,025.26 × 21,761.28
  4. Step 4: Simplify right side
    51,342.28x = 1,676,168,304.34
  5. Step 5: Solve for x
    x = 1,676,168,304.34/51,342.28
  6. Step 6: Final answer
    x = 32,646.94

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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.