Home / 33,319.48-45,981.44-19,888.12

Finding the Fourth Proportional to 33,319.48, 45,981.44 and 19,888.12

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Solution

The fourth proportional to 33,319.48, 45,981.44 and 19,888.12 is: 27,445.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,319.48 : 45,981.44 = 19,888.12 : x
  2. Step 2: Convert to fraction form
    33,319.48/45,981.44 = 19,888.12/x
  3. Step 3: Cross multiply
    33,319.48x = 45,981.44 × 19,888.12
  4. Step 4: Simplify right side
    33,319.48x = 914,484,396.49
  5. Step 5: Solve for x
    x = 914,484,396.49/33,319.48
  6. Step 6: Final answer
    x = 27,445.94

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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.