Home / 40,135.68-55,388.16-23,362.56

Finding the Fourth Proportional to 40,135.68, 55,388.16 and 23,362.56

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Solution

The fourth proportional to 40,135.68, 55,388.16 and 23,362.56 is: 32,240.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,135.68 : 55,388.16 = 23,362.56 : x
  2. Step 2: Convert to fraction form
    40,135.68/55,388.16 = 23,362.56/x
  3. Step 3: Cross multiply
    40,135.68x = 55,388.16 × 23,362.56
  4. Step 4: Simplify right side
    40,135.68x = 1,294,009,211.29
  5. Step 5: Solve for x
    x = 1,294,009,211.29/40,135.68
  6. Step 6: Final answer
    x = 32,240.87

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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.