Home / 40,665.89-56,118.36-22,760.88

Finding the Fourth Proportional to 40,665.89, 56,118.36 and 22,760.88

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Solution

The fourth proportional to 40,665.89, 56,118.36 and 22,760.88 is: 31,409.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,665.89 : 56,118.36 = 22,760.88 : x
  2. Step 2: Convert to fraction form
    40,665.89/56,118.36 = 22,760.88/x
  3. Step 3: Cross multiply
    40,665.89x = 56,118.36 × 22,760.88
  4. Step 4: Simplify right side
    40,665.89x = 1,277,303,257.76
  5. Step 5: Solve for x
    x = 1,277,303,257.76/40,665.89
  6. Step 6: Final answer
    x = 31,409.70

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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.