Home / 57,327.29-79,109.02-31,835.30

Finding the Fourth Proportional to 57,327.29, 79,109.02 and 31,835.30

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Solution

The fourth proportional to 57,327.29, 79,109.02 and 31,835.30 is: 43,931.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,327.29 : 79,109.02 = 31,835.30 : x
  2. Step 2: Convert to fraction form
    57,327.29/79,109.02 = 31,835.30/x
  3. Step 3: Cross multiply
    57,327.29x = 79,109.02 × 31,835.30
  4. Step 4: Simplify right side
    57,327.29x = 2,518,459,028.66
  5. Step 5: Solve for x
    x = 2,518,459,028.66/57,327.29
  6. Step 6: Final answer
    x = 43,931.24

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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.