Home / 40,279.48-55,583.28-22,373.42

Finding the Fourth Proportional to 40,279.48, 55,583.28 and 22,373.42

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Solution

The fourth proportional to 40,279.48, 55,583.28 and 22,373.42 is: 30,873.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,279.48 : 55,583.28 = 22,373.42 : x
  2. Step 2: Convert to fraction form
    40,279.48/55,583.28 = 22,373.42/x
  3. Step 3: Cross multiply
    40,279.48x = 55,583.28 × 22,373.42
  4. Step 4: Simplify right side
    40,279.48x = 1,243,587,790.50
  5. Step 5: Solve for x
    x = 1,243,587,790.50/40,279.48
  6. Step 6: Final answer
    x = 30,873.98

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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.