Home / 36,386.80-50,216.70-20,470.30

Finding the Fourth Proportional to 36,386.80, 50,216.70 and 20,470.30

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Solution

The fourth proportional to 36,386.80, 50,216.70 and 20,470.30 is: 28,250.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,386.80 : 50,216.70 = 20,470.30 : x
  2. Step 2: Convert to fraction form
    36,386.80/50,216.70 = 20,470.30/x
  3. Step 3: Cross multiply
    36,386.80x = 50,216.70 × 20,470.30
  4. Step 4: Simplify right side
    36,386.80x = 1,027,950,914.01
  5. Step 5: Solve for x
    x = 1,027,950,914.01/36,386.80
  6. Step 6: Final answer
    x = 28,250.65

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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.