Home / 40,351.83-55,688.28-22,448.49

Finding the Fourth Proportional to 40,351.83, 55,688.28 and 22,448.49

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Solution

The fourth proportional to 40,351.83, 55,688.28 and 22,448.49 is: 30,980.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,351.83 : 55,688.28 = 22,448.49 : x
  2. Step 2: Convert to fraction form
    40,351.83/55,688.28 = 22,448.49/x
  3. Step 3: Cross multiply
    40,351.83x = 55,688.28 × 22,448.49
  4. Step 4: Simplify right side
    40,351.83x = 1,250,117,796.70
  5. Step 5: Solve for x
    x = 1,250,117,796.70/40,351.83
  6. Step 6: Final answer
    x = 30,980.45

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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.