Home / 30,880.31-42,613.70-16,732.85

Finding the Fourth Proportional to 30,880.31, 42,613.70 and 16,732.85

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Solution

The fourth proportional to 30,880.31, 42,613.70 and 16,732.85 is: 23,090.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,880.31 : 42,613.70 = 16,732.85 : x
  2. Step 2: Convert to fraction form
    30,880.31/42,613.70 = 16,732.85/x
  3. Step 3: Cross multiply
    30,880.31x = 42,613.70 × 16,732.85
  4. Step 4: Simplify right side
    30,880.31x = 713,048,353.31
  5. Step 5: Solve for x
    x = 713,048,353.31/30,880.31
  6. Step 6: Final answer
    x = 23,090.72

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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.