Home / 43,678.39-65,532.96-21,507.34

Finding the Fourth Proportional to 43,678.39, 65,532.96 and 21,507.34

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Solution

The fourth proportional to 43,678.39, 65,532.96 and 21,507.34 is: 32,268.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,678.39 : 65,532.96 = 21,507.34 : x
  2. Step 2: Convert to fraction form
    43,678.39/65,532.96 = 21,507.34/x
  3. Step 3: Cross multiply
    43,678.39x = 65,532.96 × 21,507.34
  4. Step 4: Simplify right side
    43,678.39x = 1,409,439,544.39
  5. Step 5: Solve for x
    x = 1,409,439,544.39/43,678.39
  6. Step 6: Final answer
    x = 32,268.58

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1.5x scale

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.