Home / 57,420.48-79,230.63-31,926.12

Finding the Fourth Proportional to 57,420.48, 79,230.63 and 31,926.12

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Solution

The fourth proportional to 57,420.48, 79,230.63 and 31,926.12 is: 44,052.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,420.48 : 79,230.63 = 31,926.12 : x
  2. Step 2: Convert to fraction form
    57,420.48/79,230.63 = 31,926.12/x
  3. Step 3: Cross multiply
    57,420.48x = 79,230.63 × 31,926.12
  4. Step 4: Simplify right side
    57,420.48x = 2,529,526,601.06
  5. Step 5: Solve for x
    x = 2,529,526,601.06/57,420.48
  6. Step 6: Final answer
    x = 44,052.69

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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.