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Finding the Fourth Proportional to 35,644.99, 53,467.52 and 10,687.66

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Solution

The fourth proportional to 35,644.99, 53,467.52 and 10,687.66 is: 16,031.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,644.99 : 53,467.52 = 10,687.66 : x
  2. Step 2: Convert to fraction form
    35,644.99/53,467.52 = 10,687.66/x
  3. Step 3: Cross multiply
    35,644.99x = 53,467.52 × 10,687.66
  4. Step 4: Simplify right side
    35,644.99x = 571,442,674.80
  5. Step 5: Solve for x
    x = 571,442,674.80/35,644.99
  6. Step 6: Final answer
    x = 16,031.50

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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.