Home / 30,946.05-42,608.43-27,308.34

Finding the Fourth Proportional to 30,946.05, 42,608.43 and 27,308.34

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Solution

The fourth proportional to 30,946.05, 42,608.43 and 27,308.34 is: 37,599.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,946.05 : 42,608.43 = 27,308.34 : x
  2. Step 2: Convert to fraction form
    30,946.05/42,608.43 = 27,308.34/x
  3. Step 3: Cross multiply
    30,946.05x = 42,608.43 × 27,308.34
  4. Step 4: Simplify right side
    30,946.05x = 1,163,565,493.31
  5. Step 5: Solve for x
    x = 1,163,565,493.31/30,946.05
  6. Step 6: Final answer
    x = 37,599.81

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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.