Home / 42,491.63-58,643.05-26,581.21

Finding the Fourth Proportional to 42,491.63, 58,643.05 and 26,581.21

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Solution

The fourth proportional to 42,491.63, 58,643.05 and 26,581.21 is: 36,684.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,491.63 : 58,643.05 = 26,581.21 : x
  2. Step 2: Convert to fraction form
    42,491.63/58,643.05 = 26,581.21/x
  3. Step 3: Cross multiply
    42,491.63x = 58,643.05 × 26,581.21
  4. Step 4: Simplify right side
    42,491.63x = 1,558,802,800.97
  5. Step 5: Solve for x
    x = 1,558,802,800.97/42,491.63
  6. Step 6: Final answer
    x = 36,684.94

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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.