Home / 65,610.19-90,544.94-36,931.70

Finding the Fourth Proportional to 65,610.19, 90,544.94 and 36,931.70

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Solution

The fourth proportional to 65,610.19, 90,544.94 and 36,931.70 is: 50,967.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,610.19 : 90,544.94 = 36,931.70 : x
  2. Step 2: Convert to fraction form
    65,610.19/90,544.94 = 36,931.70/x
  3. Step 3: Cross multiply
    65,610.19x = 90,544.94 × 36,931.70
  4. Step 4: Simplify right side
    65,610.19x = 3,343,978,231.48
  5. Step 5: Solve for x
    x = 3,343,978,231.48/65,610.19
  6. Step 6: Final answer
    x = 50,967.36

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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.