Home / 40,464.56-60,699.38-12,385.52

Finding the Fourth Proportional to 40,464.56, 60,699.38 and 12,385.52

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Solution

The fourth proportional to 40,464.56, 60,699.38 and 12,385.52 is: 18,579.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,464.56 : 60,699.38 = 12,385.52 : x
  2. Step 2: Convert to fraction form
    40,464.56/60,699.38 = 12,385.52/x
  3. Step 3: Cross multiply
    40,464.56x = 60,699.38 × 12,385.52
  4. Step 4: Simplify right side
    40,464.56x = 751,793,384.98
  5. Step 5: Solve for x
    x = 751,793,384.98/40,464.56
  6. Step 6: Final answer
    x = 18,579.06

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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.