Home / 47,488.68-71,142.30-28,774.44

Finding the Fourth Proportional to 47,488.68, 71,142.30 and 28,774.44

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Solution

The fourth proportional to 47,488.68, 71,142.30 and 28,774.44 is: 43,106.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,488.68 : 71,142.30 = 28,774.44 : x
  2. Step 2: Convert to fraction form
    47,488.68/71,142.30 = 28,774.44/x
  3. Step 3: Cross multiply
    47,488.68x = 71,142.30 × 28,774.44
  4. Step 4: Simplify right side
    47,488.68x = 2,047,079,842.81
  5. Step 5: Solve for x
    x = 2,047,079,842.81/47,488.68
  6. Step 6: Final answer
    x = 43,106.69

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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.