Home / 31,297.72-43,179.84-17,859.28

Finding the Fourth Proportional to 31,297.72, 43,179.84 and 17,859.28

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Solution

The fourth proportional to 31,297.72, 43,179.84 and 17,859.28 is: 24,639.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,297.72 : 43,179.84 = 17,859.28 : x
  2. Step 2: Convert to fraction form
    31,297.72/43,179.84 = 17,859.28/x
  3. Step 3: Cross multiply
    31,297.72x = 43,179.84 × 17,859.28
  4. Step 4: Simplify right side
    31,297.72x = 771,160,852.92
  5. Step 5: Solve for x
    x = 771,160,852.92/31,297.72
  6. Step 6: Final answer
    x = 24,639.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.