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Finding the Fourth Proportional to 35,322.67, 48,745.25 and 19,407.08

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Solution

The fourth proportional to 35,322.67, 48,745.25 and 19,407.08 is: 26,781.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,322.67 : 48,745.25 = 19,407.08 : x
  2. Step 2: Convert to fraction form
    35,322.67/48,745.25 = 19,407.08/x
  3. Step 3: Cross multiply
    35,322.67x = 48,745.25 × 19,407.08
  4. Step 4: Simplify right side
    35,322.67x = 946,002,869.33
  5. Step 5: Solve for x
    x = 946,002,869.33/35,322.67
  6. Step 6: Final answer
    x = 26,781.75

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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.