Home / 30,988.53-42,764.45-16,841.39

Finding the Fourth Proportional to 30,988.53, 42,764.45 and 16,841.39

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Solution

The fourth proportional to 30,988.53, 42,764.45 and 16,841.39 is: 23,241.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,988.53 : 42,764.45 = 16,841.39 : x
  2. Step 2: Convert to fraction form
    30,988.53/42,764.45 = 16,841.39/x
  3. Step 3: Cross multiply
    30,988.53x = 42,764.45 × 16,841.39
  4. Step 4: Simplify right side
    30,988.53x = 720,212,482.56
  5. Step 5: Solve for x
    x = 720,212,482.56/30,988.53
  6. Step 6: Final answer
    x = 23,241.26

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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.