Home / 56,637.19-84,902.69-19,171.04

Finding the Fourth Proportional to 56,637.19, 84,902.69 and 19,171.04

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Solution

The fourth proportional to 56,637.19, 84,902.69 and 19,171.04 is: 28,738.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,637.19 : 84,902.69 = 19,171.04 : x
  2. Step 2: Convert to fraction form
    56,637.19/84,902.69 = 19,171.04/x
  3. Step 3: Cross multiply
    56,637.19x = 84,902.69 × 19,171.04
  4. Step 4: Simplify right side
    56,637.19x = 1,627,672,866.10
  5. Step 5: Solve for x
    x = 1,627,672,866.10/56,637.19
  6. Step 6: Final answer
    x = 28,738.59

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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.