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Finding the Fourth Proportional to 35,365.67, 48,806.72 and 20,263.02

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Solution

The fourth proportional to 35,365.67, 48,806.72 and 20,263.02 is: 27,964.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,365.67 : 48,806.72 = 20,263.02 : x
  2. Step 2: Convert to fraction form
    35,365.67/48,806.72 = 20,263.02/x
  3. Step 3: Cross multiply
    35,365.67x = 48,806.72 × 20,263.02
  4. Step 4: Simplify right side
    35,365.67x = 988,971,543.49
  5. Step 5: Solve for x
    x = 988,971,543.49/35,365.67
  6. Step 6: Final answer
    x = 27,964.17

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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.