Home / 30,085.35-41,536.70-19,335.03

Finding the Fourth Proportional to 30,085.35, 41,536.70 and 19,335.03

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Solution

The fourth proportional to 30,085.35, 41,536.70 and 19,335.03 is: 26,694.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,085.35 : 41,536.70 = 19,335.03 : x
  2. Step 2: Convert to fraction form
    30,085.35/41,536.70 = 19,335.03/x
  3. Step 3: Cross multiply
    30,085.35x = 41,536.70 × 19,335.03
  4. Step 4: Simplify right side
    30,085.35x = 803,113,243.93
  5. Step 5: Solve for x
    x = 803,113,243.93/30,085.35
  6. Step 6: Final answer
    x = 26,694.50

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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.