Home / 60,254.03-90,391.10-20,800.55

Finding the Fourth Proportional to 60,254.03, 90,391.10 and 20,800.55

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Solution

The fourth proportional to 60,254.03, 90,391.10 and 20,800.55 is: 31,204.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,254.03 : 90,391.10 = 20,800.55 : x
  2. Step 2: Convert to fraction form
    60,254.03/90,391.10 = 20,800.55/x
  3. Step 3: Cross multiply
    60,254.03x = 90,391.10 × 20,800.55
  4. Step 4: Simplify right side
    60,254.03x = 1,880,184,039.15
  5. Step 5: Solve for x
    x = 1,880,184,039.15/60,254.03
  6. Step 6: Final answer
    x = 31,204.29

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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.