Home / 51,442.53-77,166.81-19,852.76

Finding the Fourth Proportional to 51,442.53, 77,166.81 and 19,852.76

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Solution

The fourth proportional to 51,442.53, 77,166.81 and 19,852.76 is: 29,780.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,442.53 : 77,166.81 = 19,852.76 : x
  2. Step 2: Convert to fraction form
    51,442.53/77,166.81 = 19,852.76/x
  3. Step 3: Cross multiply
    51,442.53x = 77,166.81 × 19,852.76
  4. Step 4: Simplify right side
    51,442.53x = 1,531,973,673.80
  5. Step 5: Solve for x
    x = 1,531,973,673.80/51,442.53
  6. Step 6: Final answer
    x = 29,780.29

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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.