Home / 61,123.52-91,699.60-19,001.44

Finding the Fourth Proportional to 61,123.52, 91,699.60 and 19,001.44

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Solution

The fourth proportional to 61,123.52, 91,699.60 and 19,001.44 is: 28,506.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,123.52 : 91,699.60 = 19,001.44 : x
  2. Step 2: Convert to fraction form
    61,123.52/91,699.60 = 19,001.44/x
  3. Step 3: Cross multiply
    61,123.52x = 91,699.60 × 19,001.44
  4. Step 4: Simplify right side
    61,123.52x = 1,742,424,447.42
  5. Step 5: Solve for x
    x = 1,742,424,447.42/61,123.52
  6. Step 6: Final answer
    x = 28,506.61

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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.