Home / 36,465.12-54,664.80-13,086.08

Finding the Fourth Proportional to 36,465.12, 54,664.80 and 13,086.08

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Solution

The fourth proportional to 36,465.12, 54,664.80 and 13,086.08 is: 19,617.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,465.12 : 54,664.80 = 13,086.08 : x
  2. Step 2: Convert to fraction form
    36,465.12/54,664.80 = 13,086.08/x
  3. Step 3: Cross multiply
    36,465.12x = 54,664.80 × 13,086.08
  4. Step 4: Simplify right side
    36,465.12x = 715,347,945.98
  5. Step 5: Solve for x
    x = 715,347,945.98/36,465.12
  6. Step 6: Final answer
    x = 19,617.32

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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.