Home / 39,403.72-54,365.32-25,970.16

Finding the Fourth Proportional to 39,403.72, 54,365.32 and 25,970.16

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Solution

The fourth proportional to 39,403.72, 54,365.32 and 25,970.16 is: 35,831.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,403.72 : 54,365.32 = 25,970.16 : x
  2. Step 2: Convert to fraction form
    39,403.72/54,365.32 = 25,970.16/x
  3. Step 3: Cross multiply
    39,403.72x = 54,365.32 × 25,970.16
  4. Step 4: Simplify right side
    39,403.72x = 1,411,876,058.85
  5. Step 5: Solve for x
    x = 1,411,876,058.85/39,403.72
  6. Step 6: Final answer
    x = 35,831.03

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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.