Home / 40,085.95-55,351.31-25,752.90

Finding the Fourth Proportional to 40,085.95, 55,351.31 and 25,752.90

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Solution

The fourth proportional to 40,085.95, 55,351.31 and 25,752.90 is: 35,560.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,085.95 : 55,351.31 = 25,752.90 : x
  2. Step 2: Convert to fraction form
    40,085.95/55,351.31 = 25,752.90/x
  3. Step 3: Cross multiply
    40,085.95x = 55,351.31 × 25,752.90
  4. Step 4: Simplify right side
    40,085.95x = 1,425,456,751.30
  5. Step 5: Solve for x
    x = 1,425,456,751.30/40,085.95
  6. Step 6: Final answer
    x = 35,560.01

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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.