Home / 30,853.44-42,577.68-16,706.40

Finding the Fourth Proportional to 30,853.44, 42,577.68 and 16,706.40

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Solution

The fourth proportional to 30,853.44, 42,577.68 and 16,706.40 is: 23,054.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,853.44 : 42,577.68 = 16,706.40 : x
  2. Step 2: Convert to fraction form
    30,853.44/42,577.68 = 16,706.40/x
  3. Step 3: Cross multiply
    30,853.44x = 42,577.68 × 16,706.40
  4. Step 4: Simplify right side
    30,853.44x = 711,319,753.15
  5. Step 5: Solve for x
    x = 711,319,753.15/30,853.44
  6. Step 6: Final answer
    x = 23,054.80

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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.