Home / 39,413.76-59,130.88-19,691.52

Finding the Fourth Proportional to 39,413.76, 59,130.88 and 19,691.52

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Solution

The fourth proportional to 39,413.76, 59,130.88 and 19,691.52 is: 29,542.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,413.76 : 59,130.88 = 19,691.52 : x
  2. Step 2: Convert to fraction form
    39,413.76/59,130.88 = 19,691.52/x
  3. Step 3: Cross multiply
    39,413.76x = 59,130.88 × 19,691.52
  4. Step 4: Simplify right side
    39,413.76x = 1,164,376,906.14
  5. Step 5: Solve for x
    x = 1,164,376,906.14/39,413.76
  6. Step 6: Final answer
    x = 29,542.40

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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.