Home / 51,116-70,546.56-28,764.32

Finding the Fourth Proportional to 51,116, 70,546.56 and 28,764.32

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Solution

The fourth proportional to 51,116, 70,546.56 and 28,764.32 is: 39,698.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,116 : 70,546.56 = 28,764.32 : x
  2. Step 2: Convert to fraction form
    51,116/70,546.56 = 28,764.32/x
  3. Step 3: Cross multiply
    51,116x = 70,546.56 × 28,764.32
  4. Step 4: Simplify right side
    51,116x = 2,029,223,826.74
  5. Step 5: Solve for x
    x = 2,029,223,826.74/51,116
  6. Step 6: Final answer
    x = 39,698.41

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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.