Home / 55,511.65-76,588.56-33,978.92

Finding the Fourth Proportional to 55,511.65, 76,588.56 and 33,978.92

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Solution

The fourth proportional to 55,511.65, 76,588.56 and 33,978.92 is: 46,880.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,511.65 : 76,588.56 = 33,978.92 : x
  2. Step 2: Convert to fraction form
    55,511.65/76,588.56 = 33,978.92/x
  3. Step 3: Cross multiply
    55,511.65x = 76,588.56 × 33,978.92
  4. Step 4: Simplify right side
    55,511.65x = 2,602,396,553.16
  5. Step 5: Solve for x
    x = 2,602,396,553.16/55,511.65
  6. Step 6: Final answer
    x = 46,880.19

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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.