Home / 39,390.30-54,376.11-23,480.28

Finding the Fourth Proportional to 39,390.30, 54,376.11 and 23,480.28

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Solution

The fourth proportional to 39,390.30, 54,376.11 and 23,480.28 is: 32,413.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,390.30 : 54,376.11 = 23,480.28 : x
  2. Step 2: Convert to fraction form
    39,390.30/54,376.11 = 23,480.28/x
  3. Step 3: Cross multiply
    39,390.30x = 54,376.11 × 23,480.28
  4. Step 4: Simplify right side
    39,390.30x = 1,276,766,288.11
  5. Step 5: Solve for x
    x = 1,276,766,288.11/39,390.30
  6. Step 6: Final answer
    x = 32,413.22

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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.