Home / 54,525.48-81,789.84-15,085.50

Finding the Fourth Proportional to 54,525.48, 81,789.84 and 15,085.50

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Solution

The fourth proportional to 54,525.48, 81,789.84 and 15,085.50 is: 22,628.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,525.48 : 81,789.84 = 15,085.50 : x
  2. Step 2: Convert to fraction form
    54,525.48/81,789.84 = 15,085.50/x
  3. Step 3: Cross multiply
    54,525.48x = 81,789.84 × 15,085.50
  4. Step 4: Simplify right side
    54,525.48x = 1,233,840,631.32
  5. Step 5: Solve for x
    x = 1,233,840,631.32/54,525.48
  6. Step 6: Final answer
    x = 22,628.70

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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.