Home / 57,352.58-79,159.20-31,867.70

Finding the Fourth Proportional to 57,352.58, 79,159.20 and 31,867.70

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Solution

The fourth proportional to 57,352.58, 79,159.20 and 31,867.70 is: 43,984.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,352.58 : 79,159.20 = 31,867.70 : x
  2. Step 2: Convert to fraction form
    57,352.58/79,159.20 = 31,867.70/x
  3. Step 3: Cross multiply
    57,352.58x = 79,159.20 × 31,867.70
  4. Step 4: Simplify right side
    57,352.58x = 2,522,621,242.04
  5. Step 5: Solve for x
    x = 2,522,621,242.04/57,352.58
  6. Step 6: Final answer
    x = 43,984.45

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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.