Home / 36,635.36-54,953.12-13,261.28

Finding the Fourth Proportional to 36,635.36, 54,953.12 and 13,261.28

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Solution

The fourth proportional to 36,635.36, 54,953.12 and 13,261.28 is: 19,891.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,635.36 : 54,953.12 = 13,261.28 : x
  2. Step 2: Convert to fraction form
    36,635.36/54,953.12 = 13,261.28/x
  3. Step 3: Cross multiply
    36,635.36x = 54,953.12 × 13,261.28
  4. Step 4: Simplify right side
    36,635.36x = 728,748,711.19
  5. Step 5: Solve for x
    x = 728,748,711.19/36,635.36
  6. Step 6: Final answer
    x = 19,891.95

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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.