Home / 30,759.06-42,447.51-16,611.91

Finding the Fourth Proportional to 30,759.06, 42,447.51 and 16,611.91

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Solution

The fourth proportional to 30,759.06, 42,447.51 and 16,611.91 is: 22,924.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,759.06 : 42,447.51 = 16,611.91 : x
  2. Step 2: Convert to fraction form
    30,759.06/42,447.51 = 16,611.91/x
  3. Step 3: Cross multiply
    30,759.06x = 42,447.51 × 16,611.91
  4. Step 4: Simplify right side
    30,759.06x = 705,134,215.84
  5. Step 5: Solve for x
    x = 705,134,215.84/30,759.06
  6. Step 6: Final answer
    x = 22,924.44

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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.