Home / 32,828.49-49,238.08-18,742.79

Finding the Fourth Proportional to 32,828.49, 49,238.08 and 18,742.79

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Solution

The fourth proportional to 32,828.49, 49,238.08 and 18,742.79 is: 28,111.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,828.49 : 49,238.08 = 18,742.79 : x
  2. Step 2: Convert to fraction form
    32,828.49/49,238.08 = 18,742.79/x
  3. Step 3: Cross multiply
    32,828.49x = 49,238.08 × 18,742.79
  4. Step 4: Simplify right side
    32,828.49x = 922,859,069.68
  5. Step 5: Solve for x
    x = 922,859,069.68/32,828.49
  6. Step 6: Final answer
    x = 28,111.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.