Home / 30,897.30-46,389.15-19,233.30

Finding the Fourth Proportional to 30,897.30, 46,389.15 and 19,233.30

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Solution

The fourth proportional to 30,897.30, 46,389.15 and 19,233.30 is: 28,876.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,897.30 : 46,389.15 = 19,233.30 : x
  2. Step 2: Convert to fraction form
    30,897.30/46,389.15 = 19,233.30/x
  3. Step 3: Cross multiply
    30,897.30x = 46,389.15 × 19,233.30
  4. Step 4: Simplify right side
    30,897.30x = 892,216,438.70
  5. Step 5: Solve for x
    x = 892,216,438.70/30,897.30
  6. Step 6: Final answer
    x = 28,876.84

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1.5x scale

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.