Home / 51,442.67-77,166.97-19,852.89

Finding the Fourth Proportional to 51,442.67, 77,166.97 and 19,852.89

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Solution

The fourth proportional to 51,442.67, 77,166.97 and 19,852.89 is: 29,780.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,442.67 : 77,166.97 = 19,852.89 : x
  2. Step 2: Convert to fraction form
    51,442.67/77,166.97 = 19,852.89/x
  3. Step 3: Cross multiply
    51,442.67x = 77,166.97 × 19,852.89
  4. Step 4: Simplify right side
    51,442.67x = 1,531,987,317.41
  5. Step 5: Solve for x
    x = 1,531,987,317.41/51,442.67
  6. Step 6: Final answer
    x = 29,780.48

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1.5x scale

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.