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Finding the Fourth Proportional to 35,311.68, 52,967.16 and 10,687.68

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Solution

The fourth proportional to 35,311.68, 52,967.16 and 10,687.68 is: 16,031.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,311.68 : 52,967.16 = 10,687.68 : x
  2. Step 2: Convert to fraction form
    35,311.68/52,967.16 = 10,687.68/x
  3. Step 3: Cross multiply
    35,311.68x = 52,967.16 × 10,687.68
  4. Step 4: Simplify right side
    35,311.68x = 566,096,056.59
  5. Step 5: Solve for x
    x = 566,096,056.59/35,311.68
  6. Step 6: Final answer
    x = 16,031.41

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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.