Home / 33,110.10-49,665.15-21,980.70

Finding the Fourth Proportional to 33,110.10, 49,665.15 and 21,980.70

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Solution

The fourth proportional to 33,110.10, 49,665.15 and 21,980.70 is: 32,971.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,110.10 : 49,665.15 = 21,980.70 : x
  2. Step 2: Convert to fraction form
    33,110.10/49,665.15 = 21,980.70/x
  3. Step 3: Cross multiply
    33,110.10x = 49,665.15 × 21,980.70
  4. Step 4: Simplify right side
    33,110.10x = 1,091,674,762.61
  5. Step 5: Solve for x
    x = 1,091,674,762.61/33,110.10
  6. Step 6: Final answer
    x = 32,971.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.