Home / 45,640-62,984.60-25,497.76

Finding the Fourth Proportional to 45,640, 62,984.60 and 25,497.76

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Solution

The fourth proportional to 45,640, 62,984.60 and 25,497.76 is: 35,187.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,640 : 62,984.60 = 25,497.76 : x
  2. Step 2: Convert to fraction form
    45,640/62,984.60 = 25,497.76/x
  3. Step 3: Cross multiply
    45,640x = 62,984.60 × 25,497.76
  4. Step 4: Simplify right side
    45,640x = 1,605,966,214.50
  5. Step 5: Solve for x
    x = 1,605,966,214.50/45,640
  6. Step 6: Final answer
    x = 35,187.69

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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.