Home / 35,670.70-49,276.80-28,491.18

Finding the Fourth Proportional to 35,670.70, 49,276.80 and 28,491.18

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Solution

The fourth proportional to 35,670.70, 49,276.80 and 28,491.18 is: 39,358.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,670.70 : 49,276.80 = 28,491.18 : x
  2. Step 2: Convert to fraction form
    35,670.70/49,276.80 = 28,491.18/x
  3. Step 3: Cross multiply
    35,670.70x = 49,276.80 × 28,491.18
  4. Step 4: Simplify right side
    35,670.70x = 1,403,954,178.62
  5. Step 5: Solve for x
    x = 1,403,954,178.62/35,670.70
  6. Step 6: Final answer
    x = 39,358.75

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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.