Home / 53,657.63-74,050.97-30,997.57

Finding the Fourth Proportional to 53,657.63, 74,050.97 and 30,997.57

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Solution

The fourth proportional to 53,657.63, 74,050.97 and 30,997.57 is: 42,778.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,657.63 : 74,050.97 = 30,997.57 : x
  2. Step 2: Convert to fraction form
    53,657.63/74,050.97 = 30,997.57/x
  3. Step 3: Cross multiply
    53,657.63x = 74,050.97 × 30,997.57
  4. Step 4: Simplify right side
    53,657.63x = 2,295,400,126.14
  5. Step 5: Solve for x
    x = 2,295,400,126.14/53,657.63
  6. Step 6: Final answer
    x = 42,778.63

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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.