Home / 40,075.76-55,294.62-25,911.56

Finding the Fourth Proportional to 40,075.76, 55,294.62 and 25,911.56

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Solution

The fourth proportional to 40,075.76, 55,294.62 and 25,911.56 is: 35,751.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,075.76 : 55,294.62 = 25,911.56 : x
  2. Step 2: Convert to fraction form
    40,075.76/55,294.62 = 25,911.56/x
  3. Step 3: Cross multiply
    40,075.76x = 55,294.62 × 25,911.56
  4. Step 4: Simplify right side
    40,075.76x = 1,432,769,904.88
  5. Step 5: Solve for x
    x = 1,432,769,904.88/40,075.76
  6. Step 6: Final answer
    x = 35,751.53

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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.