Home / 33,214.74-45,810.39-21,279.21

Finding the Fourth Proportional to 33,214.74, 45,810.39 and 21,279.21

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Solution

The fourth proportional to 33,214.74, 45,810.39 and 21,279.21 is: 29,348.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,214.74 : 45,810.39 = 21,279.21 : x
  2. Step 2: Convert to fraction form
    33,214.74/45,810.39 = 21,279.21/x
  3. Step 3: Cross multiply
    33,214.74x = 45,810.39 × 21,279.21
  4. Step 4: Simplify right side
    33,214.74x = 974,808,908.99
  5. Step 5: Solve for x
    x = 974,808,908.99/33,214.74
  6. Step 6: Final answer
    x = 29,348.68

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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.