Home / 43,619.60-65,448.84-15,911.12

Finding the Fourth Proportional to 43,619.60, 65,448.84 and 15,911.12

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Solution

The fourth proportional to 43,619.60, 65,448.84 and 15,911.12 is: 23,873.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,619.60 : 65,448.84 = 15,911.12 : x
  2. Step 2: Convert to fraction form
    43,619.60/65,448.84 = 15,911.12/x
  3. Step 3: Cross multiply
    43,619.60x = 65,448.84 × 15,911.12
  4. Step 4: Simplify right side
    43,619.60x = 1,041,364,347.10
  5. Step 5: Solve for x
    x = 1,041,364,347.10/43,619.60
  6. Step 6: Final answer
    x = 23,873.77

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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.