Home / 58,774.90-88,175.31-19,330.42

Finding the Fourth Proportional to 58,774.90, 88,175.31 and 19,330.42

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Solution

The fourth proportional to 58,774.90, 88,175.31 and 19,330.42 is: 28,999.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,774.90 : 88,175.31 = 19,330.42 : x
  2. Step 2: Convert to fraction form
    58,774.90/88,175.31 = 19,330.42/x
  3. Step 3: Cross multiply
    58,774.90x = 88,175.31 × 19,330.42
  4. Step 4: Simplify right side
    58,774.90x = 1,704,465,775.93
  5. Step 5: Solve for x
    x = 1,704,465,775.93/58,774.90
  6. Step 6: Final answer
    x = 28,999.89

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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.