Home / 29,709.81-41,018.18-19,117.85

Finding the Fourth Proportional to 29,709.81, 41,018.18 and 19,117.85

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Solution

The fourth proportional to 29,709.81, 41,018.18 and 19,117.85 is: 26,394.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,709.81 : 41,018.18 = 19,117.85 : x
  2. Step 2: Convert to fraction form
    29,709.81/41,018.18 = 19,117.85/x
  3. Step 3: Cross multiply
    29,709.81x = 41,018.18 × 19,117.85
  4. Step 4: Simplify right side
    29,709.81x = 784,179,412.51
  5. Step 5: Solve for x
    x = 784,179,412.51/29,709.81
  6. Step 6: Final answer
    x = 26,394.63

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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.