Home / 40,347.38-55,719.32-33,247.64

Finding the Fourth Proportional to 40,347.38, 55,719.32 and 33,247.64

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Solution

The fourth proportional to 40,347.38, 55,719.32 and 33,247.64 is: 45,914.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,347.38 : 55,719.32 = 33,247.64 : x
  2. Step 2: Convert to fraction form
    40,347.38/55,719.32 = 33,247.64/x
  3. Step 3: Cross multiply
    40,347.38x = 55,719.32 × 33,247.64
  4. Step 4: Simplify right side
    40,347.38x = 1,852,535,865.46
  5. Step 5: Solve for x
    x = 1,852,535,865.46/40,347.38
  6. Step 6: Final answer
    x = 45,914.65

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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.