Home / 65,261.21-90,066.81-36,585.74

Finding the Fourth Proportional to 65,261.21, 90,066.81 and 36,585.74

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Solution

The fourth proportional to 65,261.21, 90,066.81 and 36,585.74 is: 50,491.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,261.21 : 90,066.81 = 36,585.74 : x
  2. Step 2: Convert to fraction form
    65,261.21/90,066.81 = 36,585.74/x
  3. Step 3: Cross multiply
    65,261.21x = 90,066.81 × 36,585.74
  4. Step 4: Simplify right side
    65,261.21x = 3,295,160,893.29
  5. Step 5: Solve for x
    x = 3,295,160,893.29/65,261.21
  6. Step 6: Final answer
    x = 50,491.88

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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.