Home / 42,069.86-63,116.75-17,127.81

Finding the Fourth Proportional to 42,069.86, 63,116.75 and 17,127.81

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Solution

The fourth proportional to 42,069.86, 63,116.75 and 17,127.81 is: 25,696.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,069.86 : 63,116.75 = 17,127.81 : x
  2. Step 2: Convert to fraction form
    42,069.86/63,116.75 = 17,127.81/x
  3. Step 3: Cross multiply
    42,069.86x = 63,116.75 × 17,127.81
  4. Step 4: Simplify right side
    42,069.86x = 1,081,051,680.41
  5. Step 5: Solve for x
    x = 1,081,051,680.41/42,069.86
  6. Step 6: Final answer
    x = 25,696.58

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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.