Home / 40,038.39-55,258.46-23,042.28

Finding the Fourth Proportional to 40,038.39, 55,258.46 and 23,042.28

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Solution

The fourth proportional to 40,038.39, 55,258.46 and 23,042.28 is: 31,801.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,038.39 : 55,258.46 = 23,042.28 : x
  2. Step 2: Convert to fraction form
    40,038.39/55,258.46 = 23,042.28/x
  3. Step 3: Cross multiply
    40,038.39x = 55,258.46 × 23,042.28
  4. Step 4: Simplify right side
    40,038.39x = 1,273,280,907.69
  5. Step 5: Solve for x
    x = 1,273,280,907.69/40,038.39
  6. Step 6: Final answer
    x = 31,801.50

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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.