Home / 32,579.20-44,964.12-20,643.66

Finding the Fourth Proportional to 32,579.20, 44,964.12 and 20,643.66

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Solution

The fourth proportional to 32,579.20, 44,964.12 and 20,643.66 is: 28,491.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,579.20 : 44,964.12 = 20,643.66 : x
  2. Step 2: Convert to fraction form
    32,579.20/44,964.12 = 20,643.66/x
  3. Step 3: Cross multiply
    32,579.20x = 44,964.12 × 20,643.66
  4. Step 4: Simplify right side
    32,579.20x = 928,224,005.48
  5. Step 5: Solve for x
    x = 928,224,005.48/32,579.20
  6. Step 6: Final answer
    x = 28,491.31

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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.