Home / 43,090.68-64,634.14-13,507.84

Finding the Fourth Proportional to 43,090.68, 64,634.14 and 13,507.84

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Solution

The fourth proportional to 43,090.68, 64,634.14 and 13,507.84 is: 20,261.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,090.68 : 64,634.14 = 13,507.84 : x
  2. Step 2: Convert to fraction form
    43,090.68/64,634.14 = 13,507.84/x
  3. Step 3: Cross multiply
    43,090.68x = 64,634.14 × 13,507.84
  4. Step 4: Simplify right side
    43,090.68x = 873,067,621.66
  5. Step 5: Solve for x
    x = 873,067,621.66/43,090.68
  6. Step 6: Final answer
    x = 20,261.17

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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.