Home / 49,653.10-74,437.80-21,551.98

Finding the Fourth Proportional to 49,653.10, 74,437.80 and 21,551.98

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Solution

The fourth proportional to 49,653.10, 74,437.80 and 21,551.98 is: 32,309.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,653.10 : 74,437.80 = 21,551.98 : x
  2. Step 2: Convert to fraction form
    49,653.10/74,437.80 = 21,551.98/x
  3. Step 3: Cross multiply
    49,653.10x = 74,437.80 × 21,551.98
  4. Step 4: Simplify right side
    49,653.10x = 1,604,281,976.84
  5. Step 5: Solve for x
    x = 1,604,281,976.84/49,653.10
  6. Step 6: Final answer
    x = 32,309.80

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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.