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Finding the Fourth Proportional to 35,294.67, 48,707.44 and 19,379.19

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Solution

The fourth proportional to 35,294.67, 48,707.44 and 19,379.19 is: 26,743.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,294.67 : 48,707.44 = 19,379.19 : x
  2. Step 2: Convert to fraction form
    35,294.67/48,707.44 = 19,379.19/x
  3. Step 3: Cross multiply
    35,294.67x = 48,707.44 × 19,379.19
  4. Step 4: Simplify right side
    35,294.67x = 943,910,393.74
  5. Step 5: Solve for x
    x = 943,910,393.74/35,294.67
  6. Step 6: Final answer
    x = 26,743.71

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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.