Home / 42,756.96-64,136.88-11,592.96

Finding the Fourth Proportional to 42,756.96, 64,136.88 and 11,592.96

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Solution

The fourth proportional to 42,756.96, 64,136.88 and 11,592.96 is: 17,389.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,756.96 : 64,136.88 = 11,592.96 : x
  2. Step 2: Convert to fraction form
    42,756.96/64,136.88 = 11,592.96/x
  3. Step 3: Cross multiply
    42,756.96x = 64,136.88 × 11,592.96
  4. Step 4: Simplify right side
    42,756.96x = 743,536,284.36
  5. Step 5: Solve for x
    x = 743,536,284.36/42,756.96
  6. Step 6: Final answer
    x = 17,389.83

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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.