Home / 61,254.26-84,544.65-40,021.32

Finding the Fourth Proportional to 61,254.26, 84,544.65 and 40,021.32

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Solution

The fourth proportional to 61,254.26, 84,544.65 and 40,021.32 is: 55,238.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,254.26 : 84,544.65 = 40,021.32 : x
  2. Step 2: Convert to fraction form
    61,254.26/84,544.65 = 40,021.32/x
  3. Step 3: Cross multiply
    61,254.26x = 84,544.65 × 40,021.32
  4. Step 4: Simplify right side
    61,254.26x = 3,383,588,491.94
  5. Step 5: Solve for x
    x = 3,383,588,491.94/61,254.26
  6. Step 6: Final answer
    x = 55,238.42

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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.