Home / 33,178.16-45,785.40-19,030.70

Finding the Fourth Proportional to 33,178.16, 45,785.40 and 19,030.70

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Solution

The fourth proportional to 33,178.16, 45,785.40 and 19,030.70 is: 26,262.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,178.16 : 45,785.40 = 19,030.70 : x
  2. Step 2: Convert to fraction form
    33,178.16/45,785.40 = 19,030.70/x
  3. Step 3: Cross multiply
    33,178.16x = 45,785.40 × 19,030.70
  4. Step 4: Simplify right side
    33,178.16x = 871,327,982.85
  5. Step 5: Solve for x
    x = 871,327,982.85/33,178.16
  6. Step 6: Final answer
    x = 26,262.10

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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.