Home / 43,731.25-65,606.43-14,152.08

Finding the Fourth Proportional to 43,731.25, 65,606.43 and 14,152.08

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Solution

The fourth proportional to 43,731.25, 65,606.43 and 14,152.08 is: 21,231.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,731.25 : 65,606.43 = 14,152.08 : x
  2. Step 2: Convert to fraction form
    43,731.25/65,606.43 = 14,152.08/x
  3. Step 3: Cross multiply
    43,731.25x = 65,606.43 × 14,152.08
  4. Step 4: Simplify right side
    43,731.25x = 928,467,281.86
  5. Step 5: Solve for x
    x = 928,467,281.86/43,731.25
  6. Step 6: Final answer
    x = 21,231.21

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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.