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Finding the Fourth Proportional to 35,355, 48,791.04 and 19,440.60

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Solution

The fourth proportional to 35,355, 48,791.04 and 19,440.60 is: 26,828.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,355 : 48,791.04 = 19,440.60 : x
  2. Step 2: Convert to fraction form
    35,355/48,791.04 = 19,440.60/x
  3. Step 3: Cross multiply
    35,355x = 48,791.04 × 19,440.60
  4. Step 4: Simplify right side
    35,355x = 948,527,092.22
  5. Step 5: Solve for x
    x = 948,527,092.22/35,355
  6. Step 6: Final answer
    x = 26,828.65

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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.