Home / 29,413.13-40,590.11-16,840.31

Finding the Fourth Proportional to 29,413.13, 40,590.11 and 16,840.31

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Solution

The fourth proportional to 29,413.13, 40,590.11 and 16,840.31 is: 23,239.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,413.13 : 40,590.11 = 16,840.31 : x
  2. Step 2: Convert to fraction form
    29,413.13/40,590.11 = 16,840.31/x
  3. Step 3: Cross multiply
    29,413.13x = 40,590.11 × 16,840.31
  4. Step 4: Simplify right side
    29,413.13x = 683,549,874.48
  5. Step 5: Solve for x
    x = 683,549,874.48/29,413.13
  6. Step 6: Final answer
    x = 23,239.62

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1.5x scale

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.