Home / 40,279.77-55,583.06-22,373.28

Finding the Fourth Proportional to 40,279.77, 55,583.06 and 22,373.28

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Solution

The fourth proportional to 40,279.77, 55,583.06 and 22,373.28 is: 30,873.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,279.77 : 55,583.06 = 22,373.28 : x
  2. Step 2: Convert to fraction form
    40,279.77/55,583.06 = 22,373.28/x
  3. Step 3: Cross multiply
    40,279.77x = 55,583.06 × 22,373.28
  4. Step 4: Simplify right side
    40,279.77x = 1,243,575,252.77
  5. Step 5: Solve for x
    x = 1,243,575,252.77/40,279.77
  6. Step 6: Final answer
    x = 30,873.44

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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.