Home / 40,571.36-55,990.64-22,666.72

Finding the Fourth Proportional to 40,571.36, 55,990.64 and 22,666.72

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Solution

The fourth proportional to 40,571.36, 55,990.64 and 22,666.72 is: 31,281.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,571.36 : 55,990.64 = 22,666.72 : x
  2. Step 2: Convert to fraction form
    40,571.36/55,990.64 = 22,666.72/x
  3. Step 3: Cross multiply
    40,571.36x = 55,990.64 × 22,666.72
  4. Step 4: Simplify right side
    40,571.36x = 1,269,124,159.50
  5. Step 5: Solve for x
    x = 1,269,124,159.50/40,571.36
  6. Step 6: Final answer
    x = 31,281.28

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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.