Home / 43,233.20-64,878.60-19,847.60

Finding the Fourth Proportional to 43,233.20, 64,878.60 and 19,847.60

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Solution

The fourth proportional to 43,233.20, 64,878.60 and 19,847.60 is: 29,784.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,233.20 : 64,878.60 = 19,847.60 : x
  2. Step 2: Convert to fraction form
    43,233.20/64,878.60 = 19,847.60/x
  3. Step 3: Cross multiply
    43,233.20x = 64,878.60 × 19,847.60
  4. Step 4: Simplify right side
    43,233.20x = 1,287,684,501.36
  5. Step 5: Solve for x
    x = 1,287,684,501.36/43,233.20
  6. Step 6: Final answer
    x = 29,784.62

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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.