Home / 33,060.91-45,599.40-21,578.35

Finding the Fourth Proportional to 33,060.91, 45,599.40 and 21,578.35

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Solution

The fourth proportional to 33,060.91, 45,599.40 and 21,578.35 is: 29,762.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,060.91 : 45,599.40 = 21,578.35 : x
  2. Step 2: Convert to fraction form
    33,060.91/45,599.40 = 21,578.35/x
  3. Step 3: Cross multiply
    33,060.91x = 45,599.40 × 21,578.35
  4. Step 4: Simplify right side
    33,060.91x = 983,959,812.99
  5. Step 5: Solve for x
    x = 983,959,812.99/33,060.91
  6. Step 6: Final answer
    x = 29,762.03

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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.