Home / 30,825.36-46,237.68-12,370.32

Finding the Fourth Proportional to 30,825.36, 46,237.68 and 12,370.32

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Solution

The fourth proportional to 30,825.36, 46,237.68 and 12,370.32 is: 18,555.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,825.36 : 46,237.68 = 12,370.32 : x
  2. Step 2: Convert to fraction form
    30,825.36/46,237.68 = 12,370.32/x
  3. Step 3: Cross multiply
    30,825.36x = 46,237.68 × 12,370.32
  4. Step 4: Simplify right side
    30,825.36x = 571,974,897.66
  5. Step 5: Solve for x
    x = 571,974,897.66/30,825.36
  6. Step 6: Final answer
    x = 18,555.34

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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.