Home / 39,070.30-53,920.32-22,077.64

Finding the Fourth Proportional to 39,070.30, 53,920.32 and 22,077.64

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Solution

The fourth proportional to 39,070.30, 53,920.32 and 22,077.64 is: 30,469.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,070.30 : 53,920.32 = 22,077.64 : x
  2. Step 2: Convert to fraction form
    39,070.30/53,920.32 = 22,077.64/x
  3. Step 3: Cross multiply
    39,070.30x = 53,920.32 × 22,077.64
  4. Step 4: Simplify right side
    39,070.30x = 1,190,433,413.64
  5. Step 5: Solve for x
    x = 1,190,433,413.64/39,070.30
  6. Step 6: Final answer
    x = 30,469.01

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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.