Home / 57,321.22-79,107.16-31,830.52

Finding the Fourth Proportional to 57,321.22, 79,107.16 and 31,830.52

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Solution

The fourth proportional to 57,321.22, 79,107.16 and 31,830.52 is: 43,928.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,321.22 : 79,107.16 = 31,830.52 : x
  2. Step 2: Convert to fraction form
    57,321.22/79,107.16 = 31,830.52/x
  3. Step 3: Cross multiply
    57,321.22x = 79,107.16 × 31,830.52
  4. Step 4: Simplify right side
    57,321.22x = 2,518,022,038.52
  5. Step 5: Solve for x
    x = 2,518,022,038.52/57,321.22
  6. Step 6: Final answer
    x = 43,928.27

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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.