Home / 30,576.34-42,197.30-16,964.92

Finding the Fourth Proportional to 30,576.34, 42,197.30 and 16,964.92

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Solution

The fourth proportional to 30,576.34, 42,197.30 and 16,964.92 is: 23,412.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,576.34 : 42,197.30 = 16,964.92 : x
  2. Step 2: Convert to fraction form
    30,576.34/42,197.30 = 16,964.92/x
  3. Step 3: Cross multiply
    30,576.34x = 42,197.30 × 16,964.92
  4. Step 4: Simplify right side
    30,576.34x = 715,873,818.72
  5. Step 5: Solve for x
    x = 715,873,818.72/30,576.34
  6. Step 6: Final answer
    x = 23,412.67

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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.