Home / 30,107.16-41,595.12-20,725.74

Finding the Fourth Proportional to 30,107.16, 41,595.12 and 20,725.74

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Solution

The fourth proportional to 30,107.16, 41,595.12 and 20,725.74 is: 28,634.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,107.16 : 41,595.12 = 20,725.74 : x
  2. Step 2: Convert to fraction form
    30,107.16/41,595.12 = 20,725.74/x
  3. Step 3: Cross multiply
    30,107.16x = 41,595.12 × 20,725.74
  4. Step 4: Simplify right side
    30,107.16x = 862,089,642.39
  5. Step 5: Solve for x
    x = 862,089,642.39/30,107.16
  6. Step 6: Final answer
    x = 28,634.04

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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.