Home / 36,420.36-54,651.78-15,359.10

Finding the Fourth Proportional to 36,420.36, 54,651.78 and 15,359.10

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Solution

The fourth proportional to 36,420.36, 54,651.78 and 15,359.10 is: 23,047.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,420.36 : 54,651.78 = 15,359.10 : x
  2. Step 2: Convert to fraction form
    36,420.36/54,651.78 = 15,359.10/x
  3. Step 3: Cross multiply
    36,420.36x = 54,651.78 × 15,359.10
  4. Step 4: Simplify right side
    36,420.36x = 839,402,154.20
  5. Step 5: Solve for x
    x = 839,402,154.20/36,420.36
  6. Step 6: Final answer
    x = 23,047.61

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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.