Home / 39,155.13-58,735.53-19,413.81

Finding the Fourth Proportional to 39,155.13, 58,735.53 and 19,413.81

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Solution

The fourth proportional to 39,155.13, 58,735.53 and 19,413.81 is: 29,122.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,155.13 : 58,735.53 = 19,413.81 : x
  2. Step 2: Convert to fraction form
    39,155.13/58,735.53 = 19,413.81/x
  3. Step 3: Cross multiply
    39,155.13x = 58,735.53 × 19,413.81
  4. Step 4: Simplify right side
    39,155.13x = 1,140,280,419.67
  5. Step 5: Solve for x
    x = 1,140,280,419.67/39,155.13
  6. Step 6: Final answer
    x = 29,122.12

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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.