Home / 33,017.87-45,536.95-21,678.68

Finding the Fourth Proportional to 33,017.87, 45,536.95 and 21,678.68

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Solution

The fourth proportional to 33,017.87, 45,536.95 and 21,678.68 is: 29,898.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,017.87 : 45,536.95 = 21,678.68 : x
  2. Step 2: Convert to fraction form
    33,017.87/45,536.95 = 21,678.68/x
  3. Step 3: Cross multiply
    33,017.87x = 45,536.95 × 21,678.68
  4. Step 4: Simplify right side
    33,017.87x = 987,181,026.87
  5. Step 5: Solve for x
    x = 987,181,026.87/33,017.87
  6. Step 6: Final answer
    x = 29,898.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.