Home / 53,295.75-73,539.77-30,630.38

Finding the Fourth Proportional to 53,295.75, 73,539.77 and 30,630.38

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Solution

The fourth proportional to 53,295.75, 73,539.77 and 30,630.38 is: 42,265.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,295.75 : 73,539.77 = 30,630.38 : x
  2. Step 2: Convert to fraction form
    53,295.75/73,539.77 = 30,630.38/x
  3. Step 3: Cross multiply
    53,295.75x = 73,539.77 × 30,630.38
  4. Step 4: Simplify right side
    53,295.75x = 2,252,550,579.36
  5. Step 5: Solve for x
    x = 2,252,550,579.36/53,295.75
  6. Step 6: Final answer
    x = 42,265.11

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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.