Home / 57,259.56-79,018.30-31,765.15

Finding the Fourth Proportional to 57,259.56, 79,018.30 and 31,765.15

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Solution

The fourth proportional to 57,259.56, 79,018.30 and 31,765.15 is: 43,835.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,259.56 : 79,018.30 = 31,765.15 : x
  2. Step 2: Convert to fraction form
    57,259.56/79,018.30 = 31,765.15/x
  3. Step 3: Cross multiply
    57,259.56x = 79,018.30 × 31,765.15
  4. Step 4: Simplify right side
    57,259.56x = 2,510,028,152.25
  5. Step 5: Solve for x
    x = 2,510,028,152.25/57,259.56
  6. Step 6: Final answer
    x = 43,835.97

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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.