Home / 30,434.04-45,659.79-17,965.44

Finding the Fourth Proportional to 30,434.04, 45,659.79 and 17,965.44

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Solution

The fourth proportional to 30,434.04, 45,659.79 and 17,965.44 is: 26,953.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,434.04 : 45,659.79 = 17,965.44 : x
  2. Step 2: Convert to fraction form
    30,434.04/45,659.79 = 17,965.44/x
  3. Step 3: Cross multiply
    30,434.04x = 45,659.79 × 17,965.44
  4. Step 4: Simplify right side
    30,434.04x = 820,298,217.66
  5. Step 5: Solve for x
    x = 820,298,217.66/30,434.04
  6. Step 6: Final answer
    x = 26,953.31

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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.