Home / 35,274.08-48,681.65-20,163.89

Finding the Fourth Proportional to 35,274.08, 48,681.65 and 20,163.89

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Solution

The fourth proportional to 35,274.08, 48,681.65 and 20,163.89 is: 27,828.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,274.08 : 48,681.65 = 20,163.89 : x
  2. Step 2: Convert to fraction form
    35,274.08/48,681.65 = 20,163.89/x
  3. Step 3: Cross multiply
    35,274.08x = 48,681.65 × 20,163.89
  4. Step 4: Simplify right side
    35,274.08x = 981,611,607.73
  5. Step 5: Solve for x
    x = 981,611,607.73/35,274.08
  6. Step 6: Final answer
    x = 27,828.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.