Home / 33,219.30-45,816.72-21,283.74

Finding the Fourth Proportional to 33,219.30, 45,816.72 and 21,283.74

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Solution

The fourth proportional to 33,219.30, 45,816.72 and 21,283.74 is: 29,354.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,219.30 : 45,816.72 = 21,283.74 : x
  2. Step 2: Convert to fraction form
    33,219.30/45,816.72 = 21,283.74/x
  3. Step 3: Cross multiply
    33,219.30x = 45,816.72 × 21,283.74
  4. Step 4: Simplify right side
    33,219.30x = 975,151,156.13
  5. Step 5: Solve for x
    x = 975,151,156.13/33,219.30
  6. Step 6: Final answer
    x = 29,354.96

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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.