Home / 36,989.16-55,457.82-13,612.56

Finding the Fourth Proportional to 36,989.16, 55,457.82 and 13,612.56

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Solution

The fourth proportional to 36,989.16, 55,457.82 and 13,612.56 is: 20,409.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,989.16 : 55,457.82 = 13,612.56 : x
  2. Step 2: Convert to fraction form
    36,989.16/55,457.82 = 13,612.56/x
  3. Step 3: Cross multiply
    36,989.16x = 55,457.82 × 13,612.56
  4. Step 4: Simplify right side
    36,989.16x = 754,922,902.22
  5. Step 5: Solve for x
    x = 754,922,902.22/36,989.16
  6. Step 6: Final answer
    x = 20,409.30

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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.