Home / 42,505.51-63,736.39-17,540.91

Finding the Fourth Proportional to 42,505.51, 63,736.39 and 17,540.91

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Solution

The fourth proportional to 42,505.51, 63,736.39 and 17,540.91 is: 26,302.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,505.51 : 63,736.39 = 17,540.91 : x
  2. Step 2: Convert to fraction form
    42,505.51/63,736.39 = 17,540.91/x
  3. Step 3: Cross multiply
    42,505.51x = 63,736.39 × 17,540.91
  4. Step 4: Simplify right side
    42,505.51x = 1,117,994,280.71
  5. Step 5: Solve for x
    x = 1,117,994,280.71/42,505.51
  6. Step 6: Final answer
    x = 26,302.34

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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.