Home / 40,587.15-55,974-25,481.22

Finding the Fourth Proportional to 40,587.15, 55,974 and 25,481.22

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Solution

The fourth proportional to 40,587.15, 55,974 and 25,481.22 is: 35,141.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,587.15 : 55,974 = 25,481.22 : x
  2. Step 2: Convert to fraction form
    40,587.15/55,974 = 25,481.22/x
  3. Step 3: Cross multiply
    40,587.15x = 55,974 × 25,481.22
  4. Step 4: Simplify right side
    40,587.15x = 1,426,285,808.28
  5. Step 5: Solve for x
    x = 1,426,285,808.28/40,587.15
  6. Step 6: Final answer
    x = 35,141.31

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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.