Home / 51,533.15-71,117.78-28,872.32

Finding the Fourth Proportional to 51,533.15, 71,117.78 and 28,872.32

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Solution

The fourth proportional to 51,533.15, 71,117.78 and 28,872.32 is: 39,844.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,533.15 : 71,117.78 = 28,872.32 : x
  2. Step 2: Convert to fraction form
    51,533.15/71,117.78 = 28,872.32/x
  3. Step 3: Cross multiply
    51,533.15x = 71,117.78 × 28,872.32
  4. Step 4: Simplify right side
    51,533.15x = 2,053,334,801.90
  5. Step 5: Solve for x
    x = 2,053,334,801.90/51,533.15
  6. Step 6: Final answer
    x = 39,844.93

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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.