Home / 55,467.36-83,208.06-21,729.12

Finding the Fourth Proportional to 55,467.36, 83,208.06 and 21,729.12

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Solution

The fourth proportional to 55,467.36, 83,208.06 and 21,729.12 is: 32,596.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,467.36 : 83,208.06 = 21,729.12 : x
  2. Step 2: Convert to fraction form
    55,467.36/83,208.06 = 21,729.12/x
  3. Step 3: Cross multiply
    55,467.36x = 83,208.06 × 21,729.12
  4. Step 4: Simplify right side
    55,467.36x = 1,808,037,920.71
  5. Step 5: Solve for x
    x = 1,808,037,920.71/55,467.36
  6. Step 6: Final answer
    x = 32,596.43

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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.