Home / 57,256.81-79,014.60-31,763.68

Finding the Fourth Proportional to 57,256.81, 79,014.60 and 31,763.68

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Solution

The fourth proportional to 57,256.81, 79,014.60 and 31,763.68 is: 43,833.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,256.81 : 79,014.60 = 31,763.68 : x
  2. Step 2: Convert to fraction form
    57,256.81/79,014.60 = 31,763.68/x
  3. Step 3: Cross multiply
    57,256.81x = 79,014.60 × 31,763.68
  4. Step 4: Simplify right side
    57,256.81x = 2,509,794,568.50
  5. Step 5: Solve for x
    x = 2,509,794,568.50/57,256.81
  6. Step 6: Final answer
    x = 43,833.99

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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.