Home / 55,599.46-83,399.36-13,479.37

Finding the Fourth Proportional to 55,599.46, 83,399.36 and 13,479.37

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Solution

The fourth proportional to 55,599.46, 83,399.36 and 13,479.37 is: 20,219.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,599.46 : 83,399.36 = 13,479.37 : x
  2. Step 2: Convert to fraction form
    55,599.46/83,399.36 = 13,479.37/x
  3. Step 3: Cross multiply
    55,599.46x = 83,399.36 × 13,479.37
  4. Step 4: Simplify right side
    55,599.46x = 1,124,170,555.31
  5. Step 5: Solve for x
    x = 1,124,170,555.31/55,599.46
  6. Step 6: Final answer
    x = 20,219.09

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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.