Home / 61,043.08-91,545.18-19,480.36

Finding the Fourth Proportional to 61,043.08, 91,545.18 and 19,480.36

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Solution

The fourth proportional to 61,043.08, 91,545.18 and 19,480.36 is: 29,214.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,043.08 : 91,545.18 = 19,480.36 : x
  2. Step 2: Convert to fraction form
    61,043.08/91,545.18 = 19,480.36/x
  3. Step 3: Cross multiply
    61,043.08x = 91,545.18 × 19,480.36
  4. Step 4: Simplify right side
    61,043.08x = 1,783,333,062.66
  5. Step 5: Solve for x
    x = 1,783,333,062.66/61,043.08
  6. Step 6: Final answer
    x = 29,214.34

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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.