Home / 43,279.95-64,897.31-19,576.17

Finding the Fourth Proportional to 43,279.95, 64,897.31 and 19,576.17

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Solution

The fourth proportional to 43,279.95, 64,897.31 and 19,576.17 is: 29,354.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,279.95 : 64,897.31 = 19,576.17 : x
  2. Step 2: Convert to fraction form
    43,279.95/64,897.31 = 19,576.17/x
  3. Step 3: Cross multiply
    43,279.95x = 64,897.31 × 19,576.17
  4. Step 4: Simplify right side
    43,279.95x = 1,270,440,350.74
  5. Step 5: Solve for x
    x = 1,270,440,350.74/43,279.95
  6. Step 6: Final answer
    x = 29,354.02

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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.