Home / 51,603.90-71,219.97-30,385.14

Finding the Fourth Proportional to 51,603.90, 71,219.97 and 30,385.14

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Solution

The fourth proportional to 51,603.90, 71,219.97 and 30,385.14 is: 41,935.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,603.90 : 71,219.97 = 30,385.14 : x
  2. Step 2: Convert to fraction form
    51,603.90/71,219.97 = 30,385.14/x
  3. Step 3: Cross multiply
    51,603.90x = 71,219.97 × 30,385.14
  4. Step 4: Simplify right side
    51,603.90x = 2,164,028,759.25
  5. Step 5: Solve for x
    x = 2,164,028,759.25/51,603.90
  6. Step 6: Final answer
    x = 41,935.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.