Home / 57,321.36-79,108.47-31,832.69

Finding the Fourth Proportional to 57,321.36, 79,108.47 and 31,832.69

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Solution

The fourth proportional to 57,321.36, 79,108.47 and 31,832.69 is: 43,931.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,321.36 : 79,108.47 = 31,832.69 : x
  2. Step 2: Convert to fraction form
    57,321.36/79,108.47 = 31,832.69/x
  3. Step 3: Cross multiply
    57,321.36x = 79,108.47 × 31,832.69
  4. Step 4: Simplify right side
    57,321.36x = 2,518,235,006.34
  5. Step 5: Solve for x
    x = 2,518,235,006.34/57,321.36
  6. Step 6: Final answer
    x = 43,931.88

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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.