Home / 36,405.70-54,612.28-13,935.26

Finding the Fourth Proportional to 36,405.70, 54,612.28 and 13,935.26

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Solution

The fourth proportional to 36,405.70, 54,612.28 and 13,935.26 is: 20,904.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,405.70 : 54,612.28 = 13,935.26 : x
  2. Step 2: Convert to fraction form
    36,405.70/54,612.28 = 13,935.26/x
  3. Step 3: Cross multiply
    36,405.70x = 54,612.28 × 13,935.26
  4. Step 4: Simplify right side
    36,405.70x = 761,036,320.99
  5. Step 5: Solve for x
    x = 761,036,320.99/36,405.70
  6. Step 6: Final answer
    x = 20,904.32

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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.