Home / 40,032.72-55,227.76-23,033.28

Finding the Fourth Proportional to 40,032.72, 55,227.76 and 23,033.28

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Solution

The fourth proportional to 40,032.72, 55,227.76 and 23,033.28 is: 31,775.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,032.72 : 55,227.76 = 23,033.28 : x
  2. Step 2: Convert to fraction form
    40,032.72/55,227.76 = 23,033.28/x
  3. Step 3: Cross multiply
    40,032.72x = 55,227.76 × 23,033.28
  4. Step 4: Simplify right side
    40,032.72x = 1,272,076,459.85
  5. Step 5: Solve for x
    x = 1,272,076,459.85/40,032.72
  6. Step 6: Final answer
    x = 31,775.92

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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.