Home / 30,922.56-42,657.48-19,573.02

Finding the Fourth Proportional to 30,922.56, 42,657.48 and 19,573.02

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Solution

The fourth proportional to 30,922.56, 42,657.48 and 19,573.02 is: 27,000.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,922.56 : 42,657.48 = 19,573.02 : x
  2. Step 2: Convert to fraction form
    30,922.56/42,657.48 = 19,573.02/x
  3. Step 3: Cross multiply
    30,922.56x = 42,657.48 × 19,573.02
  4. Step 4: Simplify right side
    30,922.56x = 834,935,709.19
  5. Step 5: Solve for x
    x = 834,935,709.19/30,922.56
  6. Step 6: Final answer
    x = 27,000.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.