Home / 43,723.74-65,599.45-15,643.18

Finding the Fourth Proportional to 43,723.74, 65,599.45 and 15,643.18

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Solution

The fourth proportional to 43,723.74, 65,599.45 and 15,643.18 is: 23,469.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,723.74 : 65,599.45 = 15,643.18 : x
  2. Step 2: Convert to fraction form
    43,723.74/65,599.45 = 15,643.18/x
  3. Step 3: Cross multiply
    43,723.74x = 65,599.45 × 15,643.18
  4. Step 4: Simplify right side
    43,723.74x = 1,026,184,004.25
  5. Step 5: Solve for x
    x = 1,026,184,004.25/43,723.74
  6. Step 6: Final answer
    x = 23,469.72

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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.