Home / 38,939.14-58,408.71-10,858.06

Finding the Fourth Proportional to 38,939.14, 58,408.71 and 10,858.06

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Solution

The fourth proportional to 38,939.14, 58,408.71 and 10,858.06 is: 16,287.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,939.14 : 58,408.71 = 10,858.06 : x
  2. Step 2: Convert to fraction form
    38,939.14/58,408.71 = 10,858.06/x
  3. Step 3: Cross multiply
    38,939.14x = 58,408.71 × 10,858.06
  4. Step 4: Simplify right side
    38,939.14x = 634,204,931.37
  5. Step 5: Solve for x
    x = 634,204,931.37/38,939.14
  6. Step 6: Final answer
    x = 16,287.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.