Home / 65,395.18-90,242.27-36,325.43

Finding the Fourth Proportional to 65,395.18, 90,242.27 and 36,325.43

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Solution

The fourth proportional to 65,395.18, 90,242.27 and 36,325.43 is: 50,127.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,395.18 : 90,242.27 = 36,325.43 : x
  2. Step 2: Convert to fraction form
    65,395.18/90,242.27 = 36,325.43/x
  3. Step 3: Cross multiply
    65,395.18x = 90,242.27 × 36,325.43
  4. Step 4: Simplify right side
    65,395.18x = 3,278,089,442.12
  5. Step 5: Solve for x
    x = 3,278,089,442.12/65,395.18
  6. Step 6: Final answer
    x = 50,127.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.