Home / 47,388.24-65,372.16-28,254.54

Finding the Fourth Proportional to 47,388.24, 65,372.16 and 28,254.54

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Solution

The fourth proportional to 47,388.24, 65,372.16 and 28,254.54 is: 38,977.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,388.24 : 65,372.16 = 28,254.54 : x
  2. Step 2: Convert to fraction form
    47,388.24/65,372.16 = 28,254.54/x
  3. Step 3: Cross multiply
    47,388.24x = 65,372.16 × 28,254.54
  4. Step 4: Simplify right side
    47,388.24x = 1,847,060,309.61
  5. Step 5: Solve for x
    x = 1,847,060,309.61/47,388.24
  6. Step 6: Final answer
    x = 38,977.19

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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.