Home / 40,199.73-55,479.03-22,300.50

Finding the Fourth Proportional to 40,199.73, 55,479.03 and 22,300.50

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Solution

The fourth proportional to 40,199.73, 55,479.03 and 22,300.50 is: 30,776.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,199.73 : 55,479.03 = 22,300.50 : x
  2. Step 2: Convert to fraction form
    40,199.73/55,479.03 = 22,300.50/x
  3. Step 3: Cross multiply
    40,199.73x = 55,479.03 × 22,300.50
  4. Step 4: Simplify right side
    40,199.73x = 1,237,210,108.52
  5. Step 5: Solve for x
    x = 1,237,210,108.52/40,199.73
  6. Step 6: Final answer
    x = 30,776.58

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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.