Home / 49,347.46-74,020.50-11,907.21

Finding the Fourth Proportional to 49,347.46, 74,020.50 and 11,907.21

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Solution

The fourth proportional to 49,347.46, 74,020.50 and 11,907.21 is: 17,860.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,347.46 : 74,020.50 = 11,907.21 : x
  2. Step 2: Convert to fraction form
    49,347.46/74,020.50 = 11,907.21/x
  3. Step 3: Cross multiply
    49,347.46x = 74,020.50 × 11,907.21
  4. Step 4: Simplify right side
    49,347.46x = 881,377,637.81
  5. Step 5: Solve for x
    x = 881,377,637.81/49,347.46
  6. Step 6: Final answer
    x = 17,860.65

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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.