Home / 53,499.20-73,831.60-29,628.48

Finding the Fourth Proportional to 53,499.20, 73,831.60 and 29,628.48

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Solution

The fourth proportional to 53,499.20, 73,831.60 and 29,628.48 is: 40,888.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,499.20 : 73,831.60 = 29,628.48 : x
  2. Step 2: Convert to fraction form
    53,499.20/73,831.60 = 29,628.48/x
  3. Step 3: Cross multiply
    53,499.20x = 73,831.60 × 29,628.48
  4. Step 4: Simplify right side
    53,499.20x = 2,187,518,083.97
  5. Step 5: Solve for x
    x = 2,187,518,083.97/53,499.20
  6. Step 6: Final answer
    x = 40,888.80

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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.