Home / 40,645.08-56,091.96-22,740.12

Finding the Fourth Proportional to 40,645.08, 56,091.96 and 22,740.12

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Solution

The fourth proportional to 40,645.08, 56,091.96 and 22,740.12 is: 31,382.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,645.08 : 56,091.96 = 22,740.12 : x
  2. Step 2: Convert to fraction form
    40,645.08/56,091.96 = 22,740.12/x
  3. Step 3: Cross multiply
    40,645.08x = 56,091.96 × 22,740.12
  4. Step 4: Simplify right side
    40,645.08x = 1,275,537,901.44
  5. Step 5: Solve for x
    x = 1,275,537,901.44/40,645.08
  6. Step 6: Final answer
    x = 31,382.34

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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.