Home / 53,198.18-73,392.88-30,528.98

Finding the Fourth Proportional to 53,198.18, 73,392.88 and 30,528.98

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Solution

The fourth proportional to 53,198.18, 73,392.88 and 30,528.98 is: 42,118.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,198.18 : 73,392.88 = 30,528.98 : x
  2. Step 2: Convert to fraction form
    53,198.18/73,392.88 = 30,528.98/x
  3. Step 3: Cross multiply
    53,198.18x = 73,392.88 × 30,528.98
  4. Step 4: Simplify right side
    53,198.18x = 2,240,609,765.66
  5. Step 5: Solve for x
    x = 2,240,609,765.66/53,198.18
  6. Step 6: Final answer
    x = 42,118.17

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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.