Home / 35,487.78-53,243.19-30,262.14

Finding the Fourth Proportional to 35,487.78, 53,243.19 and 30,262.14

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Solution

The fourth proportional to 35,487.78, 53,243.19 and 30,262.14 is: 45,403.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,487.78 : 53,243.19 = 30,262.14 : x
  2. Step 2: Convert to fraction form
    35,487.78/53,243.19 = 30,262.14/x
  3. Step 3: Cross multiply
    35,487.78x = 53,243.19 × 30,262.14
  4. Step 4: Simplify right side
    35,487.78x = 1,611,252,869.83
  5. Step 5: Solve for x
    x = 1,611,252,869.83/35,487.78
  6. Step 6: Final answer
    x = 45,403.03

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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.