Home / 20,443.48-30,599.56-13,767.68

Finding the Fourth Proportional to 20,443.48, 30,599.56 and 13,767.68

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Solution

The fourth proportional to 20,443.48, 30,599.56 and 13,767.68 is: 20,607.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,443.48 : 30,599.56 = 13,767.68 : x
  2. Step 2: Convert to fraction form
    20,443.48/30,599.56 = 13,767.68/x
  3. Step 3: Cross multiply
    20,443.48x = 30,599.56 × 13,767.68
  4. Step 4: Simplify right side
    20,443.48x = 421,284,950.22
  5. Step 5: Solve for x
    x = 421,284,950.22/20,443.48
  6. Step 6: Final answer
    x = 20,607.30

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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.