Home / 33,258.12-45,902.06-19,830.20

Finding the Fourth Proportional to 33,258.12, 45,902.06 and 19,830.20

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Solution

The fourth proportional to 33,258.12, 45,902.06 and 19,830.20 is: 27,369.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,258.12 : 45,902.06 = 19,830.20 : x
  2. Step 2: Convert to fraction form
    33,258.12/45,902.06 = 19,830.20/x
  3. Step 3: Cross multiply
    33,258.12x = 45,902.06 × 19,830.20
  4. Step 4: Simplify right side
    33,258.12x = 910,247,030.21
  5. Step 5: Solve for x
    x = 910,247,030.21/33,258.12
  6. Step 6: Final answer
    x = 27,369.17

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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.