Home / 36,687.32-55,030.98-19,153.05

Finding the Fourth Proportional to 36,687.32, 55,030.98 and 19,153.05

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Solution

The fourth proportional to 36,687.32, 55,030.98 and 19,153.05 is: 28,729.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,687.32 : 55,030.98 = 19,153.05 : x
  2. Step 2: Convert to fraction form
    36,687.32/55,030.98 = 19,153.05/x
  3. Step 3: Cross multiply
    36,687.32x = 55,030.98 × 19,153.05
  4. Step 4: Simplify right side
    36,687.32x = 1,054,011,111.49
  5. Step 5: Solve for x
    x = 1,054,011,111.49/36,687.32
  6. Step 6: Final answer
    x = 28,729.58

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Double scale
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Similar ratio
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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.