Home / 47,063.72-70,419.11-28,018.69

Finding the Fourth Proportional to 47,063.72, 70,419.11 and 28,018.69

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Solution

The fourth proportional to 47,063.72, 70,419.11 and 28,018.69 is: 41,922.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,063.72 : 70,419.11 = 28,018.69 : x
  2. Step 2: Convert to fraction form
    47,063.72/70,419.11 = 28,018.69/x
  3. Step 3: Cross multiply
    47,063.72x = 70,419.11 × 28,018.69
  4. Step 4: Simplify right side
    47,063.72x = 1,973,051,213.17
  5. Step 5: Solve for x
    x = 1,973,051,213.17/47,063.72
  6. Step 6: Final answer
    x = 41,922.98

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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.