Home / 47,619.92-71,219.64-28,848.08

Finding the Fourth Proportional to 47,619.92, 71,219.64 and 28,848.08

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Solution

The fourth proportional to 47,619.92, 71,219.64 and 28,848.08 is: 43,144.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,619.92 : 71,219.64 = 28,848.08 : x
  2. Step 2: Convert to fraction form
    47,619.92/71,219.64 = 28,848.08/x
  3. Step 3: Cross multiply
    47,619.92x = 71,219.64 × 28,848.08
  4. Step 4: Simplify right side
    47,619.92x = 2,054,549,872.29
  5. Step 5: Solve for x
    x = 2,054,549,872.29/47,619.92
  6. Step 6: Final answer
    x = 43,144.76

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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.