Home / 38,166.64-57,242.67-11,871.70

Finding the Fourth Proportional to 38,166.64, 57,242.67 and 11,871.70

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Solution

The fourth proportional to 38,166.64, 57,242.67 and 11,871.70 is: 17,805.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,166.64 : 57,242.67 = 11,871.70 : x
  2. Step 2: Convert to fraction form
    38,166.64/57,242.67 = 11,871.70/x
  3. Step 3: Cross multiply
    38,166.64x = 57,242.67 × 11,871.70
  4. Step 4: Simplify right side
    38,166.64x = 679,567,805.44
  5. Step 5: Solve for x
    x = 679,567,805.44/38,166.64
  6. Step 6: Final answer
    x = 17,805.28

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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.