Home / 47,985.84-71,907.70-19,488.14

Finding the Fourth Proportional to 47,985.84, 71,907.70 and 19,488.14

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Solution

The fourth proportional to 47,985.84, 71,907.70 and 19,488.14 is: 29,203.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,985.84 : 71,907.70 = 19,488.14 : x
  2. Step 2: Convert to fraction form
    47,985.84/71,907.70 = 19,488.14/x
  3. Step 3: Cross multiply
    47,985.84x = 71,907.70 × 19,488.14
  4. Step 4: Simplify right side
    47,985.84x = 1,401,347,324.68
  5. Step 5: Solve for x
    x = 1,401,347,324.68/47,985.84
  6. Step 6: Final answer
    x = 29,203.35

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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.