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Finding the Fourth Proportional to 57,673.32, 86,468.46 and 35,440.77

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Solution

The fourth proportional to 57,673.32, 86,468.46 and 35,440.77 is: 53,135.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,673.32 : 86,468.46 = 35,440.77 : x
  2. Step 2: Convert to fraction form
    57,673.32/86,468.46 = 35,440.77/x
  3. Step 3: Cross multiply
    57,673.32x = 86,468.46 × 35,440.77
  4. Step 4: Simplify right side
    57,673.32x = 3,064,508,803.11
  5. Step 5: Solve for x
    x = 3,064,508,803.11/57,673.32
  6. Step 6: Final answer
    x = 53,135.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.