Home / 40,036.39-55,255.70-23,040.28

Finding the Fourth Proportional to 40,036.39, 55,255.70 and 23,040.28

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Solution

The fourth proportional to 40,036.39, 55,255.70 and 23,040.28 is: 31,798.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,036.39 : 55,255.70 = 23,040.28 : x
  2. Step 2: Convert to fraction form
    40,036.39/55,255.70 = 23,040.28/x
  3. Step 3: Cross multiply
    40,036.39x = 55,255.70 × 23,040.28
  4. Step 4: Simplify right side
    40,036.39x = 1,273,106,799.60
  5. Step 5: Solve for x
    x = 1,273,106,799.60/40,036.39
  6. Step 6: Final answer
    x = 31,798.74

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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.