Home / 33,579.30-46,335.80-19,429.50

Finding the Fourth Proportional to 33,579.30, 46,335.80 and 19,429.50

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Solution

The fourth proportional to 33,579.30, 46,335.80 and 19,429.50 is: 26,810.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,579.30 : 46,335.80 = 19,429.50 : x
  2. Step 2: Convert to fraction form
    33,579.30/46,335.80 = 19,429.50/x
  3. Step 3: Cross multiply
    33,579.30x = 46,335.80 × 19,429.50
  4. Step 4: Simplify right side
    33,579.30x = 900,281,328.95
  5. Step 5: Solve for x
    x = 900,281,328.95/33,579.30
  6. Step 6: Final answer
    x = 26,810.60

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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.