Home / 30,297.75-41,830.47-19,702.95

Finding the Fourth Proportional to 30,297.75, 41,830.47 and 19,702.95

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Solution

The fourth proportional to 30,297.75, 41,830.47 and 19,702.95 is: 27,202.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,297.75 : 41,830.47 = 19,702.95 : x
  2. Step 2: Convert to fraction form
    30,297.75/41,830.47 = 19,702.95/x
  3. Step 3: Cross multiply
    30,297.75x = 41,830.47 × 19,702.95
  4. Step 4: Simplify right side
    30,297.75x = 824,183,658.89
  5. Step 5: Solve for x
    x = 824,183,658.89/30,297.75
  6. Step 6: Final answer
    x = 27,202.80

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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.