Home / 33,069.47-45,604.28-21,748.50

Finding the Fourth Proportional to 33,069.47, 45,604.28 and 21,748.50

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Solution

The fourth proportional to 33,069.47, 45,604.28 and 21,748.50 is: 29,992.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,069.47 : 45,604.28 = 21,748.50 : x
  2. Step 2: Convert to fraction form
    33,069.47/45,604.28 = 21,748.50/x
  3. Step 3: Cross multiply
    33,069.47x = 45,604.28 × 21,748.50
  4. Step 4: Simplify right side
    33,069.47x = 991,824,737.95
  5. Step 5: Solve for x
    x = 991,824,737.95/33,069.47
  6. Step 6: Final answer
    x = 29,992.16

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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.