Home / 40,638.90-56,076.52-23,648.64

Finding the Fourth Proportional to 40,638.90, 56,076.52 and 23,648.64

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Solution

The fourth proportional to 40,638.90, 56,076.52 and 23,648.64 is: 32,632.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,638.90 : 56,076.52 = 23,648.64 : x
  2. Step 2: Convert to fraction form
    40,638.90/56,076.52 = 23,648.64/x
  3. Step 3: Cross multiply
    40,638.90x = 56,076.52 × 23,648.64
  4. Step 4: Simplify right side
    40,638.90x = 1,326,133,433.93
  5. Step 5: Solve for x
    x = 1,326,133,433.93/40,638.90
  6. Step 6: Final answer
    x = 32,632.12

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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.