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Finding the Fourth Proportional to 35,639.03, 53,461.42 and 9,343.69

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Solution

The fourth proportional to 35,639.03, 53,461.42 and 9,343.69 is: 14,016.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,639.03 : 53,461.42 = 9,343.69 : x
  2. Step 2: Convert to fraction form
    35,639.03/53,461.42 = 9,343.69/x
  3. Step 3: Cross multiply
    35,639.03x = 53,461.42 × 9,343.69
  4. Step 4: Simplify right side
    35,639.03x = 499,526,778.43
  5. Step 5: Solve for x
    x = 499,526,778.43/35,639.03
  6. Step 6: Final answer
    x = 14,016.28

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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.