Home / 30,853.13-42,577.34-16,705.98

Finding the Fourth Proportional to 30,853.13, 42,577.34 and 16,705.98

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Solution

The fourth proportional to 30,853.13, 42,577.34 and 16,705.98 is: 23,054.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,853.13 : 42,577.34 = 16,705.98 : x
  2. Step 2: Convert to fraction form
    30,853.13/42,577.34 = 16,705.98/x
  3. Step 3: Cross multiply
    30,853.13x = 42,577.34 × 16,705.98
  4. Step 4: Simplify right side
    30,853.13x = 711,296,106.96
  5. Step 5: Solve for x
    x = 711,296,106.96/30,853.13
  6. Step 6: Final answer
    x = 23,054.26

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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.