Home / 43,241.04-64,861.56-19,887.12

Finding the Fourth Proportional to 43,241.04, 64,861.56 and 19,887.12

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Solution

The fourth proportional to 43,241.04, 64,861.56 and 19,887.12 is: 29,830.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,241.04 : 64,861.56 = 19,887.12 : x
  2. Step 2: Convert to fraction form
    43,241.04/64,861.56 = 19,887.12/x
  3. Step 3: Cross multiply
    43,241.04x = 64,861.56 × 19,887.12
  4. Step 4: Simplify right side
    43,241.04x = 1,289,909,627.11
  5. Step 5: Solve for x
    x = 1,289,909,627.11/43,241.04
  6. Step 6: Final answer
    x = 29,830.68

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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.