Home / 57,349.09-79,139.18-31,857.22

Finding the Fourth Proportional to 57,349.09, 79,139.18 and 31,857.22

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Solution

The fourth proportional to 57,349.09, 79,139.18 and 31,857.22 is: 43,961.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,349.09 : 79,139.18 = 31,857.22 : x
  2. Step 2: Convert to fraction form
    57,349.09/79,139.18 = 31,857.22/x
  3. Step 3: Cross multiply
    57,349.09x = 79,139.18 × 31,857.22
  4. Step 4: Simplify right side
    57,349.09x = 2,521,154,489.83
  5. Step 5: Solve for x
    x = 2,521,154,489.83/57,349.09
  6. Step 6: Final answer
    x = 43,961.54

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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.