Home / 38,566.64-57,903.50-19,860.05

Finding the Fourth Proportional to 38,566.64, 57,903.50 and 19,860.05

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Solution

The fourth proportional to 38,566.64, 57,903.50 and 19,860.05 is: 29,817.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,566.64 : 57,903.50 = 19,860.05 : x
  2. Step 2: Convert to fraction form
    38,566.64/57,903.50 = 19,860.05/x
  3. Step 3: Cross multiply
    38,566.64x = 57,903.50 × 19,860.05
  4. Step 4: Simplify right side
    38,566.64x = 1,149,966,405.18
  5. Step 5: Solve for x
    x = 1,149,966,405.18/38,566.64
  6. Step 6: Final answer
    x = 29,817.65

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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.