Home / 32,121.56-44,347.20-20,963.00

Finding the Fourth Proportional to 32,121.56, 44,347.20 and 20,963.00

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Solution

The fourth proportional to 32,121.56, 44,347.20 and 20,963.00 is: 28,941.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,121.56 : 44,347.20 = 20,963.00 : x
  2. Step 2: Convert to fraction form
    32,121.56/44,347.20 = 20,963.00/x
  3. Step 3: Cross multiply
    32,121.56x = 44,347.20 × 20,963.00
  4. Step 4: Simplify right side
    32,121.56x = 929,650,385.86
  5. Step 5: Solve for x
    x = 929,650,385.86/32,121.56
  6. Step 6: Final answer
    x = 28,941.63

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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.