Home / 34,447.21-47,519.12-21,676.28

Finding the Fourth Proportional to 34,447.21, 47,519.12 and 21,676.28

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Solution

The fourth proportional to 34,447.21, 47,519.12 and 21,676.28 is: 29,901.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,447.21 : 47,519.12 = 21,676.28 : x
  2. Step 2: Convert to fraction form
    34,447.21/47,519.12 = 21,676.28/x
  3. Step 3: Cross multiply
    34,447.21x = 47,519.12 × 21,676.28
  4. Step 4: Simplify right side
    34,447.21x = 1,030,037,567.07
  5. Step 5: Solve for x
    x = 1,030,037,567.07/34,447.21
  6. Step 6: Final answer
    x = 29,901.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.