Home / 33,203.12-45,800.16-19,765.40

Finding the Fourth Proportional to 33,203.12, 45,800.16 and 19,765.40

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Solution

The fourth proportional to 33,203.12, 45,800.16 and 19,765.40 is: 27,264.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,203.12 : 45,800.16 = 19,765.40 : x
  2. Step 2: Convert to fraction form
    33,203.12/45,800.16 = 19,765.40/x
  3. Step 3: Cross multiply
    33,203.12x = 45,800.16 × 19,765.40
  4. Step 4: Simplify right side
    33,203.12x = 905,258,482.46
  5. Step 5: Solve for x
    x = 905,258,482.46/33,203.12
  6. Step 6: Final answer
    x = 27,264.26

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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.