Home / 52,039.71-71,814.75-28,166.31

Finding the Fourth Proportional to 52,039.71, 71,814.75 and 28,166.31

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Solution

The fourth proportional to 52,039.71, 71,814.75 and 28,166.31 is: 38,869.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,039.71 : 71,814.75 = 28,166.31 : x
  2. Step 2: Convert to fraction form
    52,039.71/71,814.75 = 28,166.31/x
  3. Step 3: Cross multiply
    52,039.71x = 71,814.75 × 28,166.31
  4. Step 4: Simplify right side
    52,039.71x = 2,022,756,511.07
  5. Step 5: Solve for x
    x = 2,022,756,511.07/52,039.71
  6. Step 6: Final answer
    x = 38,869.48

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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.