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Finding the Fourth Proportional to 35,230.52, 48,615.72 and 19,311.68

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Solution

The fourth proportional to 35,230.52, 48,615.72 and 19,311.68 is: 26,648.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,230.52 : 48,615.72 = 19,311.68 : x
  2. Step 2: Convert to fraction form
    35,230.52/48,615.72 = 19,311.68/x
  3. Step 3: Cross multiply
    35,230.52x = 48,615.72 × 19,311.68
  4. Step 4: Simplify right side
    35,230.52x = 938,851,227.61
  5. Step 5: Solve for x
    x = 938,851,227.61/35,230.52
  6. Step 6: Final answer
    x = 26,648.80

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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.