Home / 56,869.33-85,300.91-17,426.56

Finding the Fourth Proportional to 56,869.33, 85,300.91 and 17,426.56

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Solution

The fourth proportional to 56,869.33, 85,300.91 and 17,426.56 is: 26,138.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,869.33 : 85,300.91 = 17,426.56 : x
  2. Step 2: Convert to fraction form
    56,869.33/85,300.91 = 17,426.56/x
  3. Step 3: Cross multiply
    56,869.33x = 85,300.91 × 17,426.56
  4. Step 4: Simplify right side
    56,869.33x = 1,486,500,999.67
  5. Step 5: Solve for x
    x = 1,486,500,999.67/56,869.33
  6. Step 6: Final answer
    x = 26,138.89

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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.