Home / 30,478.06-41,966.26-26,679.97

Finding the Fourth Proportional to 30,478.06, 41,966.26 and 26,679.97

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Solution

The fourth proportional to 30,478.06, 41,966.26 and 26,679.97 is: 36,736.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,478.06 : 41,966.26 = 26,679.97 : x
  2. Step 2: Convert to fraction form
    30,478.06/41,966.26 = 26,679.97/x
  3. Step 3: Cross multiply
    30,478.06x = 41,966.26 × 26,679.97
  4. Step 4: Simplify right side
    30,478.06x = 1,119,658,557.81
  5. Step 5: Solve for x
    x = 1,119,658,557.81/30,478.06
  6. Step 6: Final answer
    x = 36,736.54

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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.