Home / 42,674.63-64,018.02-22,678.91

Finding the Fourth Proportional to 42,674.63, 64,018.02 and 22,678.91

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Solution

The fourth proportional to 42,674.63, 64,018.02 and 22,678.91 is: 34,021.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,674.63 : 64,018.02 = 22,678.91 : x
  2. Step 2: Convert to fraction form
    42,674.63/64,018.02 = 22,678.91/x
  3. Step 3: Cross multiply
    42,674.63x = 64,018.02 × 22,678.91
  4. Step 4: Simplify right side
    42,674.63x = 1,451,858,593.87
  5. Step 5: Solve for x
    x = 1,451,858,593.87/42,674.63
  6. Step 6: Final answer
    x = 34,021.59

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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.