Home / 30,575.54-45,863.32-20,184.86

Finding the Fourth Proportional to 30,575.54, 45,863.32 and 20,184.86

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Solution

The fourth proportional to 30,575.54, 45,863.32 and 20,184.86 is: 30,277.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,575.54 : 45,863.32 = 20,184.86 : x
  2. Step 2: Convert to fraction form
    30,575.54/45,863.32 = 20,184.86/x
  3. Step 3: Cross multiply
    30,575.54x = 45,863.32 × 20,184.86
  4. Step 4: Simplify right side
    30,575.54x = 925,744,693.34
  5. Step 5: Solve for x
    x = 925,744,693.34/30,575.54
  6. Step 6: Final answer
    x = 30,277.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.