Home / 36,810.86-50,785.65-20,886.09

Finding the Fourth Proportional to 36,810.86, 50,785.65 and 20,886.09

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Solution

The fourth proportional to 36,810.86, 50,785.65 and 20,886.09 is: 28,815.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,810.86 : 50,785.65 = 20,886.09 : x
  2. Step 2: Convert to fraction form
    36,810.86/50,785.65 = 20,886.09/x
  3. Step 3: Cross multiply
    36,810.86x = 50,785.65 × 20,886.09
  4. Step 4: Simplify right side
    36,810.86x = 1,060,713,298.25
  5. Step 5: Solve for x
    x = 1,060,713,298.25/36,810.86
  6. Step 6: Final answer
    x = 28,815.23

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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.