Home / 64,213.16-88,620.78-36,990.16

Finding the Fourth Proportional to 64,213.16, 88,620.78 and 36,990.16

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Solution

The fourth proportional to 64,213.16, 88,620.78 and 36,990.16 is: 51,050.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,213.16 : 88,620.78 = 36,990.16 : x
  2. Step 2: Convert to fraction form
    64,213.16/88,620.78 = 36,990.16/x
  3. Step 3: Cross multiply
    64,213.16x = 88,620.78 × 36,990.16
  4. Step 4: Simplify right side
    64,213.16x = 3,278,096,831.52
  5. Step 5: Solve for x
    x = 3,278,096,831.52/64,213.16
  6. Step 6: Final answer
    x = 51,050.23

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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.