Home / 49,488.09-74,238.81-14,427.44

Finding the Fourth Proportional to 49,488.09, 74,238.81 and 14,427.44

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Solution

The fourth proportional to 49,488.09, 74,238.81 and 14,427.44 is: 21,643.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,488.09 : 74,238.81 = 14,427.44 : x
  2. Step 2: Convert to fraction form
    49,488.09/74,238.81 = 14,427.44/x
  3. Step 3: Cross multiply
    49,488.09x = 74,238.81 × 14,427.44
  4. Step 4: Simplify right side
    49,488.09x = 1,071,075,976.95
  5. Step 5: Solve for x
    x = 1,071,075,976.95/49,488.09
  6. Step 6: Final answer
    x = 21,643.11

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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.