Home / 49,415.06-74,123.81-17,827.80

Finding the Fourth Proportional to 49,415.06, 74,123.81 and 17,827.80

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Solution

The fourth proportional to 49,415.06, 74,123.81 and 17,827.80 is: 26,742.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,415.06 : 74,123.81 = 17,827.80 : x
  2. Step 2: Convert to fraction form
    49,415.06/74,123.81 = 17,827.80/x
  3. Step 3: Cross multiply
    49,415.06x = 74,123.81 × 17,827.80
  4. Step 4: Simplify right side
    49,415.06x = 1,321,464,159.67
  5. Step 5: Solve for x
    x = 1,321,464,159.67/49,415.06
  6. Step 6: Final answer
    x = 26,742.13

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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.