Home / 65,829.16-90,844-35,614.56

Finding the Fourth Proportional to 65,829.16, 90,844 and 35,614.56

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Solution

The fourth proportional to 65,829.16, 90,844 and 35,614.56 is: 49,147.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,829.16 : 90,844 = 35,614.56 : x
  2. Step 2: Convert to fraction form
    65,829.16/90,844 = 35,614.56/x
  3. Step 3: Cross multiply
    65,829.16x = 90,844 × 35,614.56
  4. Step 4: Simplify right side
    65,829.16x = 3,235,369,088.64
  5. Step 5: Solve for x
    x = 3,235,369,088.64/65,829.16
  6. Step 6: Final answer
    x = 49,147.96

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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.