Home / 43,038.50-64,561.46-11,873.75

Finding the Fourth Proportional to 43,038.50, 64,561.46 and 11,873.75

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Solution

The fourth proportional to 43,038.50, 64,561.46 and 11,873.75 is: 17,811.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,038.50 : 64,561.46 = 11,873.75 : x
  2. Step 2: Convert to fraction form
    43,038.50/64,561.46 = 11,873.75/x
  3. Step 3: Cross multiply
    43,038.50x = 64,561.46 × 11,873.75
  4. Step 4: Simplify right side
    43,038.50x = 766,586,342.55
  5. Step 5: Solve for x
    x = 766,586,342.55/43,038.50
  6. Step 6: Final answer
    x = 17,811.64

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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.