Home / 40,892.42-61,338.55-12,814.62

Finding the Fourth Proportional to 40,892.42, 61,338.55 and 12,814.62

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Solution

The fourth proportional to 40,892.42, 61,338.55 and 12,814.62 is: 19,221.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,892.42 : 61,338.55 = 12,814.62 : x
  2. Step 2: Convert to fraction form
    40,892.42/61,338.55 = 12,814.62/x
  3. Step 3: Cross multiply
    40,892.42x = 61,338.55 × 12,814.62
  4. Step 4: Simplify right side
    40,892.42x = 786,030,209.60
  5. Step 5: Solve for x
    x = 786,030,209.60/40,892.42
  6. Step 6: Final answer
    x = 19,221.90

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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.