Home / 34,964.46-52,439.40-12,788.28

Finding the Fourth Proportional to 34,964.46, 52,439.40 and 12,788.28

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Solution

The fourth proportional to 34,964.46, 52,439.40 and 12,788.28 is: 19,179.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,964.46 : 52,439.40 = 12,788.28 : x
  2. Step 2: Convert to fraction form
    34,964.46/52,439.40 = 12,788.28/x
  3. Step 3: Cross multiply
    34,964.46x = 52,439.40 × 12,788.28
  4. Step 4: Simplify right side
    34,964.46x = 670,609,730.23
  5. Step 5: Solve for x
    x = 670,609,730.23/34,964.46
  6. Step 6: Final answer
    x = 19,179.75

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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.