Home / 40,609.72-60,851.64-28,153.96

Finding the Fourth Proportional to 40,609.72, 60,851.64 and 28,153.96

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Solution

The fourth proportional to 40,609.72, 60,851.64 and 28,153.96 is: 42,187.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,609.72 : 60,851.64 = 28,153.96 : x
  2. Step 2: Convert to fraction form
    40,609.72/60,851.64 = 28,153.96/x
  3. Step 3: Cross multiply
    40,609.72x = 60,851.64 × 28,153.96
  4. Step 4: Simplify right side
    40,609.72x = 1,713,214,638.49
  5. Step 5: Solve for x
    x = 1,713,214,638.49/40,609.72
  6. Step 6: Final answer
    x = 42,187.30

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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.