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Finding the Fourth Proportional to 61,262.24, 84,574 and 41,224.48

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Solution

The fourth proportional to 61,262.24, 84,574 and 41,224.48 is: 56,911.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,262.24 : 84,574 = 41,224.48 : x
  2. Step 2: Convert to fraction form
    61,262.24/84,574 = 41,224.48/x
  3. Step 3: Cross multiply
    61,262.24x = 84,574 × 41,224.48
  4. Step 4: Simplify right side
    61,262.24x = 3,486,519,171.52
  5. Step 5: Solve for x
    x = 3,486,519,171.52/61,262.24
  6. Step 6: Final answer
    x = 56,911.39

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1.5x scale

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.