Home / 52,153.69-71,971.70-28,280.33

Finding the Fourth Proportional to 52,153.69, 71,971.70 and 28,280.33

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Solution

The fourth proportional to 52,153.69, 71,971.70 and 28,280.33 is: 39,026.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,153.69 : 71,971.70 = 28,280.33 : x
  2. Step 2: Convert to fraction form
    52,153.69/71,971.70 = 28,280.33/x
  3. Step 3: Cross multiply
    52,153.69x = 71,971.70 × 28,280.33
  4. Step 4: Simplify right side
    52,153.69x = 2,035,383,426.66
  5. Step 5: Solve for x
    x = 2,035,383,426.66/52,153.69
  6. Step 6: Final answer
    x = 39,026.64

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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.