Home / 53,910.32-74,396.30-31,262.47

Finding the Fourth Proportional to 53,910.32, 74,396.30 and 31,262.47

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Solution

The fourth proportional to 53,910.32, 74,396.30 and 31,262.47 is: 43,142.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,910.32 : 74,396.30 = 31,262.47 : x
  2. Step 2: Convert to fraction form
    53,910.32/74,396.30 = 31,262.47/x
  3. Step 3: Cross multiply
    53,910.32x = 74,396.30 × 31,262.47
  4. Step 4: Simplify right side
    53,910.32x = 2,325,812,096.86
  5. Step 5: Solve for x
    x = 2,325,812,096.86/53,910.32
  6. Step 6: Final answer
    x = 43,142.24

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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.