Home / 35,245.40-48,643.98-20,141.24

Finding the Fourth Proportional to 35,245.40, 48,643.98 and 20,141.24

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Solution

The fourth proportional to 35,245.40, 48,643.98 and 20,141.24 is: 27,797.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,245.40 : 48,643.98 = 20,141.24 : x
  2. Step 2: Convert to fraction form
    35,245.40/48,643.98 = 20,141.24/x
  3. Step 3: Cross multiply
    35,245.40x = 48,643.98 × 20,141.24
  4. Step 4: Simplify right side
    35,245.40x = 979,750,075.74
  5. Step 5: Solve for x
    x = 979,750,075.74/35,245.40
  6. Step 6: Final answer
    x = 27,797.96

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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.