Home / 33,430.12-46,132.34-18,322.61

Finding the Fourth Proportional to 33,430.12, 46,132.34 and 18,322.61

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Solution

The fourth proportional to 33,430.12, 46,132.34 and 18,322.61 is: 25,284.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,430.12 : 46,132.34 = 18,322.61 : x
  2. Step 2: Convert to fraction form
    33,430.12/46,132.34 = 18,322.61/x
  3. Step 3: Cross multiply
    33,430.12x = 46,132.34 × 18,322.61
  4. Step 4: Simplify right side
    33,430.12x = 845,264,551.93
  5. Step 5: Solve for x
    x = 845,264,551.93/33,430.12
  6. Step 6: Final answer
    x = 25,284.52

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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.