Home / 36,579.47-50,479.06-20,447.16

Finding the Fourth Proportional to 36,579.47, 50,479.06 and 20,447.16

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Solution

The fourth proportional to 36,579.47, 50,479.06 and 20,447.16 is: 28,216.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,579.47 : 50,479.06 = 20,447.16 : x
  2. Step 2: Convert to fraction form
    36,579.47/50,479.06 = 20,447.16/x
  3. Step 3: Cross multiply
    36,579.47x = 50,479.06 × 20,447.16
  4. Step 4: Simplify right side
    36,579.47x = 1,032,153,416.47
  5. Step 5: Solve for x
    x = 1,032,153,416.47/36,579.47
  6. Step 6: Final answer
    x = 28,216.74

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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.