Home / 42,448.71-63,685.80-17,135.19

Finding the Fourth Proportional to 42,448.71, 63,685.80 and 17,135.19

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Solution

The fourth proportional to 42,448.71, 63,685.80 and 17,135.19 is: 25,707.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,448.71 : 63,685.80 = 17,135.19 : x
  2. Step 2: Convert to fraction form
    42,448.71/63,685.80 = 17,135.19/x
  3. Step 3: Cross multiply
    42,448.71x = 63,685.80 × 17,135.19
  4. Step 4: Simplify right side
    42,448.71x = 1,091,268,283.30
  5. Step 5: Solve for x
    x = 1,091,268,283.30/42,448.71
  6. Step 6: Final answer
    x = 25,707.93

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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.