Home / 36,178.44-49,927.78-21,068.66

Finding the Fourth Proportional to 36,178.44, 49,927.78 and 21,068.66

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Solution

The fourth proportional to 36,178.44, 49,927.78 and 21,068.66 is: 29,075.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,178.44 : 49,927.78 = 21,068.66 : x
  2. Step 2: Convert to fraction form
    36,178.44/49,927.78 = 21,068.66/x
  3. Step 3: Cross multiply
    36,178.44x = 49,927.78 × 21,068.66
  4. Step 4: Simplify right side
    36,178.44x = 1,051,911,421.37
  5. Step 5: Solve for x
    x = 1,051,911,421.37/36,178.44
  6. Step 6: Final answer
    x = 29,075.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.