Home / 47,323.86-70,965-17,720.93

Finding the Fourth Proportional to 47,323.86, 70,965 and 17,720.93

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Solution

The fourth proportional to 47,323.86, 70,965 and 17,720.93 is: 26,573.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,323.86 : 70,965 = 17,720.93 : x
  2. Step 2: Convert to fraction form
    47,323.86/70,965 = 17,720.93/x
  3. Step 3: Cross multiply
    47,323.86x = 70,965 × 17,720.93
  4. Step 4: Simplify right side
    47,323.86x = 1,257,565,797.45
  5. Step 5: Solve for x
    x = 1,257,565,797.45/47,323.86
  6. Step 6: Final answer
    x = 26,573.61

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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.