Home / 34,615.64-47,785.53-20,273.48

Finding the Fourth Proportional to 34,615.64, 47,785.53 and 20,273.48

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Solution

The fourth proportional to 34,615.64, 47,785.53 and 20,273.48 is: 27,986.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,615.64 : 47,785.53 = 20,273.48 : x
  2. Step 2: Convert to fraction form
    34,615.64/47,785.53 = 20,273.48/x
  3. Step 3: Cross multiply
    34,615.64x = 47,785.53 × 20,273.48
  4. Step 4: Simplify right side
    34,615.64x = 968,778,986.74
  5. Step 5: Solve for x
    x = 968,778,986.74/34,615.64
  6. Step 6: Final answer
    x = 27,986.74

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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.