Home / 32,981.53-45,512.34-21,043.60

Finding the Fourth Proportional to 32,981.53, 45,512.34 and 21,043.60

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Solution

The fourth proportional to 32,981.53, 45,512.34 and 21,043.60 is: 29,038.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,981.53 : 45,512.34 = 21,043.60 : x
  2. Step 2: Convert to fraction form
    32,981.53/45,512.34 = 21,043.60/x
  3. Step 3: Cross multiply
    32,981.53x = 45,512.34 × 21,043.60
  4. Step 4: Simplify right side
    32,981.53x = 957,743,478.02
  5. Step 5: Solve for x
    x = 957,743,478.02/32,981.53
  6. Step 6: Final answer
    x = 29,038.78

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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.