Home / 47,938.30-71,907.45-14,658.36

Finding the Fourth Proportional to 47,938.30, 71,907.45 and 14,658.36

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Solution

The fourth proportional to 47,938.30, 71,907.45 and 14,658.36 is: 21,987.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,938.30 : 71,907.45 = 14,658.36 : x
  2. Step 2: Convert to fraction form
    47,938.30/71,907.45 = 14,658.36/x
  3. Step 3: Cross multiply
    47,938.30x = 71,907.45 × 14,658.36
  4. Step 4: Simplify right side
    47,938.30x = 1,054,044,855.95
  5. Step 5: Solve for x
    x = 1,054,044,855.95/47,938.30
  6. Step 6: Final answer
    x = 21,987.53

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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.