Home / 30,154.77-41,586.35-18,825.32

Finding the Fourth Proportional to 30,154.77, 41,586.35 and 18,825.32

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Solution

The fourth proportional to 30,154.77, 41,586.35 and 18,825.32 is: 25,961.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,154.77 : 41,586.35 = 18,825.32 : x
  2. Step 2: Convert to fraction form
    30,154.77/41,586.35 = 18,825.32/x
  3. Step 3: Cross multiply
    30,154.77x = 41,586.35 × 18,825.32
  4. Step 4: Simplify right side
    30,154.77x = 782,876,044.32
  5. Step 5: Solve for x
    x = 782,876,044.32/30,154.77
  6. Step 6: Final answer
    x = 25,961.93

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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.