Home / 36,487.28-50,352.48-19,720.32

Finding the Fourth Proportional to 36,487.28, 50,352.48 and 19,720.32

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Solution

The fourth proportional to 36,487.28, 50,352.48 and 19,720.32 is: 27,214.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,487.28 : 50,352.48 = 19,720.32 : x
  2. Step 2: Convert to fraction form
    36,487.28/50,352.48 = 19,720.32/x
  3. Step 3: Cross multiply
    36,487.28x = 50,352.48 × 19,720.32
  4. Step 4: Simplify right side
    36,487.28x = 992,967,018.39
  5. Step 5: Solve for x
    x = 992,967,018.39/36,487.28
  6. Step 6: Final answer
    x = 27,214.06

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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.