Home / 32,678.25-49,011.12-12,687.74

Finding the Fourth Proportional to 32,678.25, 49,011.12 and 12,687.74

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Solution

The fourth proportional to 32,678.25, 49,011.12 and 12,687.74 is: 19,029.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,678.25 : 49,011.12 = 12,687.74 : x
  2. Step 2: Convert to fraction form
    32,678.25/49,011.12 = 12,687.74/x
  3. Step 3: Cross multiply
    32,678.25x = 49,011.12 × 12,687.74
  4. Step 4: Simplify right side
    32,678.25x = 621,840,347.67
  5. Step 5: Solve for x
    x = 621,840,347.67/32,678.25
  6. Step 6: Final answer
    x = 19,029.18

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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.