Home / 38,484.98-57,729.71-10,785.14

Finding the Fourth Proportional to 38,484.98, 57,729.71 and 10,785.14

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Solution

The fourth proportional to 38,484.98, 57,729.71 and 10,785.14 is: 16,178.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,484.98 : 57,729.71 = 10,785.14 : x
  2. Step 2: Convert to fraction form
    38,484.98/57,729.71 = 10,785.14/x
  3. Step 3: Cross multiply
    38,484.98x = 57,729.71 × 10,785.14
  4. Step 4: Simplify right side
    38,484.98x = 622,623,004.51
  5. Step 5: Solve for x
    x = 622,623,004.51/38,484.98
  6. Step 6: Final answer
    x = 16,178.34

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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.