Home / 33,088.99-45,639.71-21,754.86

Finding the Fourth Proportional to 33,088.99, 45,639.71 and 21,754.86

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Solution

The fourth proportional to 33,088.99, 45,639.71 and 21,754.86 is: 30,006.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,088.99 : 45,639.71 = 21,754.86 : x
  2. Step 2: Convert to fraction form
    33,088.99/45,639.71 = 21,754.86/x
  3. Step 3: Cross multiply
    33,088.99x = 45,639.71 × 21,754.86
  4. Step 4: Simplify right side
    33,088.99x = 992,885,555.88
  5. Step 5: Solve for x
    x = 992,885,555.88/33,088.99
  6. Step 6: Final answer
    x = 30,006.53

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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.