Home / 32,847.36-45,334.44-20,915.88

Finding the Fourth Proportional to 32,847.36, 45,334.44 and 20,915.88

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Solution

The fourth proportional to 32,847.36, 45,334.44 and 20,915.88 is: 28,867.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,847.36 : 45,334.44 = 20,915.88 : x
  2. Step 2: Convert to fraction form
    32,847.36/45,334.44 = 20,915.88/x
  3. Step 3: Cross multiply
    32,847.36x = 45,334.44 × 20,915.88
  4. Step 4: Simplify right side
    32,847.36x = 948,209,706.91
  5. Step 5: Solve for x
    x = 948,209,706.91/32,847.36
  6. Step 6: Final answer
    x = 28,867.15

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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.