Home / 30,584.58-42,187.28-22,099.15

Finding the Fourth Proportional to 30,584.58, 42,187.28 and 22,099.15

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Solution

The fourth proportional to 30,584.58, 42,187.28 and 22,099.15 is: 30,482.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,584.58 : 42,187.28 = 22,099.15 : x
  2. Step 2: Convert to fraction form
    30,584.58/42,187.28 = 22,099.15/x
  3. Step 3: Cross multiply
    30,584.58x = 42,187.28 × 22,099.15
  4. Step 4: Simplify right side
    30,584.58x = 932,302,971.05
  5. Step 5: Solve for x
    x = 932,302,971.05/30,584.58
  6. Step 6: Final answer
    x = 30,482.78

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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.