Home / 34,151.32-47,125-20,725.84

Finding the Fourth Proportional to 34,151.32, 47,125 and 20,725.84

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Solution

The fourth proportional to 34,151.32, 47,125 and 20,725.84 is: 28,599.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,151.32 : 47,125 = 20,725.84 : x
  2. Step 2: Convert to fraction form
    34,151.32/47,125 = 20,725.84/x
  3. Step 3: Cross multiply
    34,151.32x = 47,125 × 20,725.84
  4. Step 4: Simplify right side
    34,151.32x = 976,705,210
  5. Step 5: Solve for x
    x = 976,705,210/34,151.32
  6. Step 6: Final answer
    x = 28,599.34

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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.