Home / 30,016.47-45,021.60-8,956.74

Finding the Fourth Proportional to 30,016.47, 45,021.60 and 8,956.74

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Solution

The fourth proportional to 30,016.47, 45,021.60 and 8,956.74 is: 13,434.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,016.47 : 45,021.60 = 8,956.74 : x
  2. Step 2: Convert to fraction form
    30,016.47/45,021.60 = 8,956.74/x
  3. Step 3: Cross multiply
    30,016.47x = 45,021.60 × 8,956.74
  4. Step 4: Simplify right side
    30,016.47x = 403,246,765.58
  5. Step 5: Solve for x
    x = 403,246,765.58/30,016.47
  6. Step 6: Final answer
    x = 13,434.18

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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.