Home / 32,887.13-49,322.49-12,900.68

Finding the Fourth Proportional to 32,887.13, 49,322.49 and 12,900.68

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Solution

The fourth proportional to 32,887.13, 49,322.49 and 12,900.68 is: 19,347.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,887.13 : 49,322.49 = 12,900.68 : x
  2. Step 2: Convert to fraction form
    32,887.13/49,322.49 = 12,900.68/x
  3. Step 3: Cross multiply
    32,887.13x = 49,322.49 × 12,900.68
  4. Step 4: Simplify right side
    32,887.13x = 636,293,827.70
  5. Step 5: Solve for x
    x = 636,293,827.70/32,887.13
  6. Step 6: Final answer
    x = 19,347.81

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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.