Home / 30,605.60-45,909.57-10,886.96

Finding the Fourth Proportional to 30,605.60, 45,909.57 and 10,886.96

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Solution

The fourth proportional to 30,605.60, 45,909.57 and 10,886.96 is: 16,330.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,605.60 : 45,909.57 = 10,886.96 : x
  2. Step 2: Convert to fraction form
    30,605.60/45,909.57 = 10,886.96/x
  3. Step 3: Cross multiply
    30,605.60x = 45,909.57 × 10,886.96
  4. Step 4: Simplify right side
    30,605.60x = 499,815,652.21
  5. Step 5: Solve for x
    x = 499,815,652.21/30,605.60
  6. Step 6: Final answer
    x = 16,330.86

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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.