Home / 40,670.75-56,127.78-25,557.82

Finding the Fourth Proportional to 40,670.75, 56,127.78 and 25,557.82

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Solution

The fourth proportional to 40,670.75, 56,127.78 and 25,557.82 is: 35,271.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,670.75 : 56,127.78 = 25,557.82 : x
  2. Step 2: Convert to fraction form
    40,670.75/56,127.78 = 25,557.82/x
  3. Step 3: Cross multiply
    40,670.75x = 56,127.78 × 25,557.82
  4. Step 4: Simplify right side
    40,670.75x = 1,434,503,557.92
  5. Step 5: Solve for x
    x = 1,434,503,557.92/40,670.75
  6. Step 6: Final answer
    x = 35,271.13

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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.