Home / 40,971.72-61,457.22-13,269.72

Finding the Fourth Proportional to 40,971.72, 61,457.22 and 13,269.72

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Solution

The fourth proportional to 40,971.72, 61,457.22 and 13,269.72 is: 19,904.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,971.72 : 61,457.22 = 13,269.72 : x
  2. Step 2: Convert to fraction form
    40,971.72/61,457.22 = 13,269.72/x
  3. Step 3: Cross multiply
    40,971.72x = 61,457.22 × 13,269.72
  4. Step 4: Simplify right side
    40,971.72x = 815,520,101.38
  5. Step 5: Solve for x
    x = 815,520,101.38/40,971.72
  6. Step 6: Final answer
    x = 19,904.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.