Home / 51,764.40-77,648.32-14,321.34

Finding the Fourth Proportional to 51,764.40, 77,648.32 and 14,321.34

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Solution

The fourth proportional to 51,764.40, 77,648.32 and 14,321.34 is: 21,482.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,764.40 : 77,648.32 = 14,321.34 : x
  2. Step 2: Convert to fraction form
    51,764.40/77,648.32 = 14,321.34/x
  3. Step 3: Cross multiply
    51,764.40x = 77,648.32 × 14,321.34
  4. Step 4: Simplify right side
    51,764.40x = 1,112,027,830.94
  5. Step 5: Solve for x
    x = 1,112,027,830.94/51,764.40
  6. Step 6: Final answer
    x = 21,482.48

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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.