Home / 42,310.64-58,321.32-33,343.76

Finding the Fourth Proportional to 42,310.64, 58,321.32 and 33,343.76

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Solution

The fourth proportional to 42,310.64, 58,321.32 and 33,343.76 is: 45,961.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,310.64 : 58,321.32 = 33,343.76 : x
  2. Step 2: Convert to fraction form
    42,310.64/58,321.32 = 33,343.76/x
  3. Step 3: Cross multiply
    42,310.64x = 58,321.32 × 33,343.76
  4. Step 4: Simplify right side
    42,310.64x = 1,944,652,096.96
  5. Step 5: Solve for x
    x = 1,944,652,096.96/42,310.64
  6. Step 6: Final answer
    x = 45,961.30

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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.