Home / 35,724.70-53,573.32-16,990.30

Finding the Fourth Proportional to 35,724.70, 53,573.32 and 16,990.30

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Solution

The fourth proportional to 35,724.70, 53,573.32 and 16,990.30 is: 25,478.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,724.70 : 53,573.32 = 16,990.30 : x
  2. Step 2: Convert to fraction form
    35,724.70/53,573.32 = 16,990.30/x
  3. Step 3: Cross multiply
    35,724.70x = 53,573.32 × 16,990.30
  4. Step 4: Simplify right side
    35,724.70x = 910,226,778.80
  5. Step 5: Solve for x
    x = 910,226,778.80/35,724.70
  6. Step 6: Final answer
    x = 25,478.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.