Home / 51,539.08-71,134.02-30,336.52

Finding the Fourth Proportional to 51,539.08, 71,134.02 and 30,336.52

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Solution

The fourth proportional to 51,539.08, 71,134.02 and 30,336.52 is: 41,870.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,539.08 : 71,134.02 = 30,336.52 : x
  2. Step 2: Convert to fraction form
    51,539.08/71,134.02 = 30,336.52/x
  3. Step 3: Cross multiply
    51,539.08x = 71,134.02 × 30,336.52
  4. Step 4: Simplify right side
    51,539.08x = 2,157,958,620.41
  5. Step 5: Solve for x
    x = 2,157,958,620.41/51,539.08
  6. Step 6: Final answer
    x = 41,870.34

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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.