Home / 43,490.66-65,261.91-15,790.82

Finding the Fourth Proportional to 43,490.66, 65,261.91 and 15,790.82

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Solution

The fourth proportional to 43,490.66, 65,261.91 and 15,790.82 is: 23,695.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,490.66 : 65,261.91 = 15,790.82 : x
  2. Step 2: Convert to fraction form
    43,490.66/65,261.91 = 15,790.82/x
  3. Step 3: Cross multiply
    43,490.66x = 65,261.91 × 15,790.82
  4. Step 4: Simplify right side
    43,490.66x = 1,030,539,073.67
  5. Step 5: Solve for x
    x = 1,030,539,073.67/43,490.66
  6. Step 6: Final answer
    x = 23,695.64

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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.