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Finding the Fourth Proportional to 35,602.62, 53,406.75 and 10,640.85

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Solution

The fourth proportional to 35,602.62, 53,406.75 and 10,640.85 is: 15,962.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,602.62 : 53,406.75 = 10,640.85 : x
  2. Step 2: Convert to fraction form
    35,602.62/53,406.75 = 10,640.85/x
  3. Step 3: Cross multiply
    35,602.62x = 53,406.75 × 10,640.85
  4. Step 4: Simplify right side
    35,602.62x = 568,293,215.74
  5. Step 5: Solve for x
    x = 568,293,215.74/35,602.62
  6. Step 6: Final answer
    x = 15,962.12

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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.