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Finding the Fourth Proportional to 35,881.79, 53,823.69 and 9,586.55

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Solution

The fourth proportional to 35,881.79, 53,823.69 and 9,586.55 is: 14,380.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,881.79 : 53,823.69 = 9,586.55 : x
  2. Step 2: Convert to fraction form
    35,881.79/53,823.69 = 9,586.55/x
  3. Step 3: Cross multiply
    35,881.79x = 53,823.69 × 9,586.55
  4. Step 4: Simplify right side
    35,881.79x = 515,983,629.93
  5. Step 5: Solve for x
    x = 515,983,629.93/35,881.79
  6. Step 6: Final answer
    x = 14,380.10

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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.