Home / 51,377.82-77,068.32-13,937.74

Finding the Fourth Proportional to 51,377.82, 77,068.32 and 13,937.74

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Solution

The fourth proportional to 51,377.82, 77,068.32 and 13,937.74 is: 20,907.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,377.82 : 77,068.32 = 13,937.74 : x
  2. Step 2: Convert to fraction form
    51,377.82/77,068.32 = 13,937.74/x
  3. Step 3: Cross multiply
    51,377.82x = 77,068.32 × 13,937.74
  4. Step 4: Simplify right side
    51,377.82x = 1,074,158,206.40
  5. Step 5: Solve for x
    x = 1,074,158,206.40/51,377.82
  6. Step 6: Final answer
    x = 20,907.04

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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.