Home / 30,466.38-42,041.86-16,853.61

Finding the Fourth Proportional to 30,466.38, 42,041.86 and 16,853.61

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Solution

The fourth proportional to 30,466.38, 42,041.86 and 16,853.61 is: 23,257.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,466.38 : 42,041.86 = 16,853.61 : x
  2. Step 2: Convert to fraction form
    30,466.38/42,041.86 = 16,853.61/x
  3. Step 3: Cross multiply
    30,466.38x = 42,041.86 × 16,853.61
  4. Step 4: Simplify right side
    30,466.38x = 708,557,112.11
  5. Step 5: Solve for x
    x = 708,557,112.11/30,466.38
  6. Step 6: Final answer
    x = 23,257.02

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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.