Home / 43,663.64-65,515.14-18,710.24

Finding the Fourth Proportional to 43,663.64, 65,515.14 and 18,710.24

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Solution

The fourth proportional to 43,663.64, 65,515.14 and 18,710.24 is: 28,073.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,663.64 : 65,515.14 = 18,710.24 : x
  2. Step 2: Convert to fraction form
    43,663.64/65,515.14 = 18,710.24/x
  3. Step 3: Cross multiply
    43,663.64x = 65,515.14 × 18,710.24
  4. Step 4: Simplify right side
    43,663.64x = 1,225,803,993.03
  5. Step 5: Solve for x
    x = 1,225,803,993.03/43,663.64
  6. Step 6: Final answer
    x = 28,073.79

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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.