Home / 63,421.60-95,136.96-21,868

Finding the Fourth Proportional to 63,421.60, 95,136.96 and 21,868

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Solution

The fourth proportional to 63,421.60, 95,136.96 and 21,868 is: 32,803.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,421.60 : 95,136.96 = 21,868 : x
  2. Step 2: Convert to fraction form
    63,421.60/95,136.96 = 21,868/x
  3. Step 3: Cross multiply
    63,421.60x = 95,136.96 × 21,868
  4. Step 4: Simplify right side
    63,421.60x = 2,080,455,041.28
  5. Step 5: Solve for x
    x = 2,080,455,041.28/63,421.60
  6. Step 6: Final answer
    x = 32,803.57

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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.