Home / 30,466.88-42,042.54-16,854.12

Finding the Fourth Proportional to 30,466.88, 42,042.54 and 16,854.12

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Solution

The fourth proportional to 30,466.88, 42,042.54 and 16,854.12 is: 23,257.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,466.88 : 42,042.54 = 16,854.12 : x
  2. Step 2: Convert to fraction form
    30,466.88/42,042.54 = 16,854.12/x
  3. Step 3: Cross multiply
    30,466.88x = 42,042.54 × 16,854.12
  4. Step 4: Simplify right side
    30,466.88x = 708,590,014.26
  5. Step 5: Solve for x
    x = 708,590,014.26/30,466.88
  6. Step 6: Final answer
    x = 23,257.72

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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.