Home / 36,005.74-49,679.96-20,889.64

Finding the Fourth Proportional to 36,005.74, 49,679.96 and 20,889.64

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Solution

The fourth proportional to 36,005.74, 49,679.96 and 20,889.64 is: 28,823.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,005.74 : 49,679.96 = 20,889.64 : x
  2. Step 2: Convert to fraction form
    36,005.74/49,679.96 = 20,889.64/x
  3. Step 3: Cross multiply
    36,005.74x = 49,679.96 × 20,889.64
  4. Step 4: Simplify right side
    36,005.74x = 1,037,796,479.61
  5. Step 5: Solve for x
    x = 1,037,796,479.61/36,005.74
  6. Step 6: Final answer
    x = 28,823.08

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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.