Home / 51,172.19-76,766.50-21,594.40

Finding the Fourth Proportional to 51,172.19, 76,766.50 and 21,594.40

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Solution

The fourth proportional to 51,172.19, 76,766.50 and 21,594.40 is: 32,395.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,172.19 : 76,766.50 = 21,594.40 : x
  2. Step 2: Convert to fraction form
    51,172.19/76,766.50 = 21,594.40/x
  3. Step 3: Cross multiply
    51,172.19x = 76,766.50 × 21,594.40
  4. Step 4: Simplify right side
    51,172.19x = 1,657,726,342.68
  5. Step 5: Solve for x
    x = 1,657,726,342.68/51,172.19
  6. Step 6: Final answer
    x = 32,395.06

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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.