Home / 57,353.36-79,145.08-31,861.45

Finding the Fourth Proportional to 57,353.36, 79,145.08 and 31,861.45

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Solution

The fourth proportional to 57,353.36, 79,145.08 and 31,861.45 is: 43,967.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,353.36 : 79,145.08 = 31,861.45 : x
  2. Step 2: Convert to fraction form
    57,353.36/79,145.08 = 31,861.45/x
  3. Step 3: Cross multiply
    57,353.36x = 79,145.08 × 31,861.45
  4. Step 4: Simplify right side
    57,353.36x = 2,521,676,613.44
  5. Step 5: Solve for x
    x = 2,521,676,613.44/57,353.36
  6. Step 6: Final answer
    x = 43,967.37

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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.