Home / 32,776.60-45,231.54-18,632.17

Finding the Fourth Proportional to 32,776.60, 45,231.54 and 18,632.17

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Solution

The fourth proportional to 32,776.60, 45,231.54 and 18,632.17 is: 25,712.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,776.60 : 45,231.54 = 18,632.17 : x
  2. Step 2: Convert to fraction form
    32,776.60/45,231.54 = 18,632.17/x
  3. Step 3: Cross multiply
    32,776.60x = 45,231.54 × 18,632.17
  4. Step 4: Simplify right side
    32,776.60x = 842,761,742.64
  5. Step 5: Solve for x
    x = 842,761,742.64/32,776.60
  6. Step 6: Final answer
    x = 25,712.30

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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.