Home / 42,684.66-63,975.15-30,208.37

Finding the Fourth Proportional to 42,684.66, 63,975.15 and 30,208.37

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Solution

The fourth proportional to 42,684.66, 63,975.15 and 30,208.37 is: 45,275.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,684.66 : 63,975.15 = 30,208.37 : x
  2. Step 2: Convert to fraction form
    42,684.66/63,975.15 = 30,208.37/x
  3. Step 3: Cross multiply
    42,684.66x = 63,975.15 × 30,208.37
  4. Step 4: Simplify right side
    42,684.66x = 1,932,584,682.13
  5. Step 5: Solve for x
    x = 1,932,584,682.13/42,684.66
  6. Step 6: Final answer
    x = 45,275.86

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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.