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Finding the Fourth Proportional to 35,672.42, 53,508.63 and 9,377.12

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Solution

The fourth proportional to 35,672.42, 53,508.63 and 9,377.12 is: 14,065.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,672.42 : 53,508.63 = 9,377.12 : x
  2. Step 2: Convert to fraction form
    35,672.42/53,508.63 = 9,377.12/x
  3. Step 3: Cross multiply
    35,672.42x = 53,508.63 × 9,377.12
  4. Step 4: Simplify right side
    35,672.42x = 501,757,013.48
  5. Step 5: Solve for x
    x = 501,757,013.48/35,672.42
  6. Step 6: Final answer
    x = 14,065.68

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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.