Home / 43,099.68-64,656.96-13,511.84

Finding the Fourth Proportional to 43,099.68, 64,656.96 and 13,511.84

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Solution

The fourth proportional to 43,099.68, 64,656.96 and 13,511.84 is: 20,270.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,099.68 : 64,656.96 = 13,511.84 : x
  2. Step 2: Convert to fraction form
    43,099.68/64,656.96 = 13,511.84/x
  3. Step 3: Cross multiply
    43,099.68x = 64,656.96 × 13,511.84
  4. Step 4: Simplify right side
    43,099.68x = 873,634,498.41
  5. Step 5: Solve for x
    x = 873,634,498.41/43,099.68
  6. Step 6: Final answer
    x = 20,270.09

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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.