Home / 30,333.52-41,862.36-18,397.36

Finding the Fourth Proportional to 30,333.52, 41,862.36 and 18,397.36

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Solution

The fourth proportional to 30,333.52, 41,862.36 and 18,397.36 is: 25,389.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,333.52 : 41,862.36 = 18,397.36 : x
  2. Step 2: Convert to fraction form
    30,333.52/41,862.36 = 18,397.36/x
  3. Step 3: Cross multiply
    30,333.52x = 41,862.36 × 18,397.36
  4. Step 4: Simplify right side
    30,333.52x = 770,156,907.37
  5. Step 5: Solve for x
    x = 770,156,907.37/30,333.52
  6. Step 6: Final answer
    x = 25,389.63

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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.