Home / 51,533.37-71,099.91-28,869.30

Finding the Fourth Proportional to 51,533.37, 71,099.91 and 28,869.30

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Solution

The fourth proportional to 51,533.37, 71,099.91 and 28,869.30 is: 39,830.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,533.37 : 71,099.91 = 28,869.30 : x
  2. Step 2: Convert to fraction form
    51,533.37/71,099.91 = 28,869.30/x
  3. Step 3: Cross multiply
    51,533.37x = 71,099.91 × 28,869.30
  4. Step 4: Simplify right side
    51,533.37x = 2,052,604,631.76
  5. Step 5: Solve for x
    x = 2,052,604,631.76/51,533.37
  6. Step 6: Final answer
    x = 39,830.59

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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.