Home / 42,169.41-63,283.68-31,104.81

Finding the Fourth Proportional to 42,169.41, 63,283.68 and 31,104.81

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Solution

The fourth proportional to 42,169.41, 63,283.68 and 31,104.81 is: 46,679.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,169.41 : 63,283.68 = 31,104.81 : x
  2. Step 2: Convert to fraction form
    42,169.41/63,283.68 = 31,104.81/x
  3. Step 3: Cross multiply
    42,169.41x = 63,283.68 × 31,104.81
  4. Step 4: Simplify right side
    42,169.41x = 1,968,426,842.50
  5. Step 5: Solve for x
    x = 1,968,426,842.50/42,169.41
  6. Step 6: Final answer
    x = 46,679.02

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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.