Home / 36,487.15-50,355.32-20,574.89

Finding the Fourth Proportional to 36,487.15, 50,355.32 and 20,574.89

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Solution

The fourth proportional to 36,487.15, 50,355.32 and 20,574.89 is: 28,395.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,487.15 : 50,355.32 = 20,574.89 : x
  2. Step 2: Convert to fraction form
    36,487.15/50,355.32 = 20,574.89/x
  3. Step 3: Cross multiply
    36,487.15x = 50,355.32 × 20,574.89
  4. Step 4: Simplify right side
    36,487.15x = 1,036,055,169.91
  5. Step 5: Solve for x
    x = 1,036,055,169.91/36,487.15
  6. Step 6: Final answer
    x = 28,395.07

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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.