Home / 61,034.34-91,516.23-18,903.18

Finding the Fourth Proportional to 61,034.34, 91,516.23 and 18,903.18

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Solution

The fourth proportional to 61,034.34, 91,516.23 and 18,903.18 is: 28,343.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,034.34 : 91,516.23 = 18,903.18 : x
  2. Step 2: Convert to fraction form
    61,034.34/91,516.23 = 18,903.18/x
  3. Step 3: Cross multiply
    61,034.34x = 91,516.23 × 18,903.18
  4. Step 4: Simplify right side
    61,034.34x = 1,729,947,768.61
  5. Step 5: Solve for x
    x = 1,729,947,768.61/61,034.34
  6. Step 6: Final answer
    x = 28,343.84

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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.