Home / 65,233.07-90,021.63-36,938.75

Finding the Fourth Proportional to 65,233.07, 90,021.63 and 36,938.75

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Solution

The fourth proportional to 65,233.07, 90,021.63 and 36,938.75 is: 50,975.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,233.07 : 90,021.63 = 36,938.75 : x
  2. Step 2: Convert to fraction form
    65,233.07/90,021.63 = 36,938.75/x
  3. Step 3: Cross multiply
    65,233.07x = 90,021.63 × 36,938.75
  4. Step 4: Simplify right side
    65,233.07x = 3,325,286,485.16
  5. Step 5: Solve for x
    x = 3,325,286,485.16/65,233.07
  6. Step 6: Final answer
    x = 50,975.47

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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.