Home / 43,182.64-64,770.84-13,608.94

Finding the Fourth Proportional to 43,182.64, 64,770.84 and 13,608.94

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Solution

The fourth proportional to 43,182.64, 64,770.84 and 13,608.94 is: 20,412.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,182.64 : 64,770.84 = 13,608.94 : x
  2. Step 2: Convert to fraction form
    43,182.64/64,770.84 = 13,608.94/x
  3. Step 3: Cross multiply
    43,182.64x = 64,770.84 × 13,608.94
  4. Step 4: Simplify right side
    43,182.64x = 881,462,475.31
  5. Step 5: Solve for x
    x = 881,462,475.31/43,182.64
  6. Step 6: Final answer
    x = 20,412.43

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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.