Home / 39,413.90-54,392.64-23,499.84

Finding the Fourth Proportional to 39,413.90, 54,392.64 and 23,499.84

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Solution

The fourth proportional to 39,413.90, 54,392.64 and 23,499.84 is: 32,430.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,413.90 : 54,392.64 = 23,499.84 : x
  2. Step 2: Convert to fraction form
    39,413.90/54,392.64 = 23,499.84/x
  3. Step 3: Cross multiply
    39,413.90x = 54,392.64 × 23,499.84
  4. Step 4: Simplify right side
    39,413.90x = 1,278,218,337.18
  5. Step 5: Solve for x
    x = 1,278,218,337.18/39,413.90
  6. Step 6: Final answer
    x = 32,430.65

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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.