Home / 50,210.46-69,258.54-30,820.86

Finding the Fourth Proportional to 50,210.46, 69,258.54 and 30,820.86

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Solution

The fourth proportional to 50,210.46, 69,258.54 and 30,820.86 is: 42,513.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,210.46 : 69,258.54 = 30,820.86 : x
  2. Step 2: Convert to fraction form
    50,210.46/69,258.54 = 30,820.86/x
  3. Step 3: Cross multiply
    50,210.46x = 69,258.54 × 30,820.86
  4. Step 4: Simplify right side
    50,210.46x = 2,134,607,765.14
  5. Step 5: Solve for x
    x = 2,134,607,765.14/50,210.46
  6. Step 6: Final answer
    x = 42,513.21

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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.