Home / 51,383.16-70,897.68-30,156.84

Finding the Fourth Proportional to 51,383.16, 70,897.68 and 30,156.84

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Solution

The fourth proportional to 51,383.16, 70,897.68 and 30,156.84 is: 41,609.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,383.16 : 70,897.68 = 30,156.84 : x
  2. Step 2: Convert to fraction form
    51,383.16/70,897.68 = 30,156.84/x
  3. Step 3: Cross multiply
    51,383.16x = 70,897.68 × 30,156.84
  4. Step 4: Simplify right side
    51,383.16x = 2,138,049,992.13
  5. Step 5: Solve for x
    x = 2,138,049,992.13/51,383.16
  6. Step 6: Final answer
    x = 41,609.94

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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.