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Finding the Fourth Proportional to 35,906.76, 53,860.56 and 9,611.16

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Solution

The fourth proportional to 35,906.76, 53,860.56 and 9,611.16 is: 14,416.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,906.76 : 53,860.56 = 9,611.16 : x
  2. Step 2: Convert to fraction form
    35,906.76/53,860.56 = 9,611.16/x
  3. Step 3: Cross multiply
    35,906.76x = 53,860.56 × 9,611.16
  4. Step 4: Simplify right side
    35,906.76x = 517,662,459.85
  5. Step 5: Solve for x
    x = 517,662,459.85/35,906.76
  6. Step 6: Final answer
    x = 14,416.85

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1.5x scale

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.