Home / 53,923.78-74,420.37-32,420.55

Finding the Fourth Proportional to 53,923.78, 74,420.37 and 32,420.55

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Solution

The fourth proportional to 53,923.78, 74,420.37 and 32,420.55 is: 44,743.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,923.78 : 74,420.37 = 32,420.55 : x
  2. Step 2: Convert to fraction form
    53,923.78/74,420.37 = 32,420.55/x
  3. Step 3: Cross multiply
    53,923.78x = 74,420.37 × 32,420.55
  4. Step 4: Simplify right side
    53,923.78x = 2,412,749,593.71
  5. Step 5: Solve for x
    x = 2,412,749,593.71/53,923.78
  6. Step 6: Final answer
    x = 44,743.71

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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.