Home / 36,809.42-55,230.51-13,430.39

Finding the Fourth Proportional to 36,809.42, 55,230.51 and 13,430.39

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Solution

The fourth proportional to 36,809.42, 55,230.51 and 13,430.39 is: 20,151.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,809.42 : 55,230.51 = 13,430.39 : x
  2. Step 2: Convert to fraction form
    36,809.42/55,230.51 = 13,430.39/x
  3. Step 3: Cross multiply
    36,809.42x = 55,230.51 × 13,430.39
  4. Step 4: Simplify right side
    36,809.42x = 741,767,289.20
  5. Step 5: Solve for x
    x = 741,767,289.20/36,809.42
  6. Step 6: Final answer
    x = 20,151.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.