Home / 30,342.12-45,520.74-9,565.62

Finding the Fourth Proportional to 30,342.12, 45,520.74 and 9,565.62

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Solution

The fourth proportional to 30,342.12, 45,520.74 and 9,565.62 is: 14,350.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,342.12 : 45,520.74 = 9,565.62 : x
  2. Step 2: Convert to fraction form
    30,342.12/45,520.74 = 9,565.62/x
  3. Step 3: Cross multiply
    30,342.12x = 45,520.74 × 9,565.62
  4. Step 4: Simplify right side
    30,342.12x = 435,434,100.96
  5. Step 5: Solve for x
    x = 435,434,100.96/30,342.12
  6. Step 6: Final answer
    x = 14,350.81

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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.