Home / 57,820.41-86,744.34-18,377.55

Finding the Fourth Proportional to 57,820.41, 86,744.34 and 18,377.55

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Solution

The fourth proportional to 57,820.41, 86,744.34 and 18,377.55 is: 27,570.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,820.41 : 86,744.34 = 18,377.55 : x
  2. Step 2: Convert to fraction form
    57,820.41/86,744.34 = 18,377.55/x
  3. Step 3: Cross multiply
    57,820.41x = 86,744.34 × 18,377.55
  4. Step 4: Simplify right side
    57,820.41x = 1,594,148,445.57
  5. Step 5: Solve for x
    x = 1,594,148,445.57/57,820.41
  6. Step 6: Final answer
    x = 27,570.69

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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.