Home / 42,270.66-63,308.52-30,350.43

Finding the Fourth Proportional to 42,270.66, 63,308.52 and 30,350.43

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Solution

The fourth proportional to 42,270.66, 63,308.52 and 30,350.43 is: 45,455.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,270.66 : 63,308.52 = 30,350.43 : x
  2. Step 2: Convert to fraction form
    42,270.66/63,308.52 = 30,350.43/x
  3. Step 3: Cross multiply
    42,270.66x = 63,308.52 × 30,350.43
  4. Step 4: Simplify right side
    42,270.66x = 1,921,440,804.66
  5. Step 5: Solve for x
    x = 1,921,440,804.66/42,270.66
  6. Step 6: Final answer
    x = 45,455.66

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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.