Home / 38,710.17-57,971.43-19,684.76

Finding the Fourth Proportional to 38,710.17, 57,971.43 and 19,684.76

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Solution

The fourth proportional to 38,710.17, 57,971.43 and 19,684.76 is: 29,479.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,710.17 : 57,971.43 = 19,684.76 : x
  2. Step 2: Convert to fraction form
    38,710.17/57,971.43 = 19,684.76/x
  3. Step 3: Cross multiply
    38,710.17x = 57,971.43 × 19,684.76
  4. Step 4: Simplify right side
    38,710.17x = 1,141,153,396.55
  5. Step 5: Solve for x
    x = 1,141,153,396.55/38,710.17
  6. Step 6: Final answer
    x = 29,479.42

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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.