Home / 47,003.23-70,488.42-18,915.99

Finding the Fourth Proportional to 47,003.23, 70,488.42 and 18,915.99

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Solution

The fourth proportional to 47,003.23, 70,488.42 and 18,915.99 is: 28,367.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,003.23 : 70,488.42 = 18,915.99 : x
  2. Step 2: Convert to fraction form
    47,003.23/70,488.42 = 18,915.99/x
  3. Step 3: Cross multiply
    47,003.23x = 70,488.42 × 18,915.99
  4. Step 4: Simplify right side
    47,003.23x = 1,333,358,247.84
  5. Step 5: Solve for x
    x = 1,333,358,247.84/47,003.23
  6. Step 6: Final answer
    x = 28,367.37

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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.