Home / 33,642.14-46,457.55-21,088.76

Finding the Fourth Proportional to 33,642.14, 46,457.55 and 21,088.76

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Solution

The fourth proportional to 33,642.14, 46,457.55 and 21,088.76 is: 29,122.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,642.14 : 46,457.55 = 21,088.76 : x
  2. Step 2: Convert to fraction form
    33,642.14/46,457.55 = 21,088.76/x
  3. Step 3: Cross multiply
    33,642.14x = 46,457.55 × 21,088.76
  4. Step 4: Simplify right side
    33,642.14x = 979,731,889.85
  5. Step 5: Solve for x
    x = 979,731,889.85/33,642.14
  6. Step 6: Final answer
    x = 29,122.17

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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.