Home / 33,643.55-46,417.59-20,217.80

Finding the Fourth Proportional to 33,643.55, 46,417.59 and 20,217.80

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Solution

The fourth proportional to 33,643.55, 46,417.59 and 20,217.80 is: 27,894.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,643.55 : 46,417.59 = 20,217.80 : x
  2. Step 2: Convert to fraction form
    33,643.55/46,417.59 = 20,217.80/x
  3. Step 3: Cross multiply
    33,643.55x = 46,417.59 × 20,217.80
  4. Step 4: Simplify right side
    33,643.55x = 938,461,551.10
  5. Step 5: Solve for x
    x = 938,461,551.10/33,643.55
  6. Step 6: Final answer
    x = 27,894.25

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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.