Home / 40,415.64-60,632.98-12,713.64

Finding the Fourth Proportional to 40,415.64, 60,632.98 and 12,713.64

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Solution

The fourth proportional to 40,415.64, 60,632.98 and 12,713.64 is: 19,073.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,415.64 : 60,632.98 = 12,713.64 : x
  2. Step 2: Convert to fraction form
    40,415.64/60,632.98 = 12,713.64/x
  3. Step 3: Cross multiply
    40,415.64x = 60,632.98 × 12,713.64
  4. Step 4: Simplify right side
    40,415.64x = 770,865,879.85
  5. Step 5: Solve for x
    x = 770,865,879.85/40,415.64
  6. Step 6: Final answer
    x = 19,073.45

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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.