Home / 30,806.19-46,208.07-21,418.56

Finding the Fourth Proportional to 30,806.19, 46,208.07 and 21,418.56

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Solution

The fourth proportional to 30,806.19, 46,208.07 and 21,418.56 is: 32,127.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,806.19 : 46,208.07 = 21,418.56 : x
  2. Step 2: Convert to fraction form
    30,806.19/46,208.07 = 21,418.56/x
  3. Step 3: Cross multiply
    30,806.19x = 46,208.07 × 21,418.56
  4. Step 4: Simplify right side
    30,806.19x = 989,710,319.78
  5. Step 5: Solve for x
    x = 989,710,319.78/30,806.19
  6. Step 6: Final answer
    x = 32,127.00

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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.