Home / 61,867.48-85,413.79-40,683.28

Finding the Fourth Proportional to 61,867.48, 85,413.79 and 40,683.28

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Solution

The fourth proportional to 61,867.48, 85,413.79 and 40,683.28 is: 56,167.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,867.48 : 85,413.79 = 40,683.28 : x
  2. Step 2: Convert to fraction form
    61,867.48/85,413.79 = 40,683.28/x
  3. Step 3: Cross multiply
    61,867.48x = 85,413.79 × 40,683.28
  4. Step 4: Simplify right side
    61,867.48x = 3,474,913,134.43
  5. Step 5: Solve for x
    x = 3,474,913,134.43/61,867.48
  6. Step 6: Final answer
    x = 56,167.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.