Home / 45,260.03-67,891.86-21,555.38

Finding the Fourth Proportional to 45,260.03, 67,891.86 and 21,555.38

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Solution

The fourth proportional to 45,260.03, 67,891.86 and 21,555.38 is: 32,333.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,260.03 : 67,891.86 = 21,555.38 : x
  2. Step 2: Convert to fraction form
    45,260.03/67,891.86 = 21,555.38/x
  3. Step 3: Cross multiply
    45,260.03x = 67,891.86 × 21,555.38
  4. Step 4: Simplify right side
    45,260.03x = 1,463,434,501.75
  5. Step 5: Solve for x
    x = 1,463,434,501.75/45,260.03
  6. Step 6: Final answer
    x = 32,333.93

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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.