Home / 43,099.60-64,606.20-19,742.80

Finding the Fourth Proportional to 43,099.60, 64,606.20 and 19,742.80

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Solution

The fourth proportional to 43,099.60, 64,606.20 and 19,742.80 is: 29,594.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,099.60 : 64,606.20 = 19,742.80 : x
  2. Step 2: Convert to fraction form
    43,099.60/64,606.20 = 19,742.80/x
  3. Step 3: Cross multiply
    43,099.60x = 64,606.20 × 19,742.80
  4. Step 4: Simplify right side
    43,099.60x = 1,275,507,285.36
  5. Step 5: Solve for x
    x = 1,275,507,285.36/43,099.60
  6. Step 6: Final answer
    x = 29,594.41

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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.