Home / 31,970.05-44,104.67-30,487.75

Finding the Fourth Proportional to 31,970.05, 44,104.67 and 30,487.75

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Solution

The fourth proportional to 31,970.05, 44,104.67 and 30,487.75 is: 42,059.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,970.05 : 44,104.67 = 30,487.75 : x
  2. Step 2: Convert to fraction form
    31,970.05/44,104.67 = 30,487.75/x
  3. Step 3: Cross multiply
    31,970.05x = 44,104.67 × 30,487.75
  4. Step 4: Simplify right side
    31,970.05x = 1,344,652,004.42
  5. Step 5: Solve for x
    x = 1,344,652,004.42/31,970.05
  6. Step 6: Final answer
    x = 42,059.74

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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.