Home / 31,392.12-43,320.98-17,051.88

Finding the Fourth Proportional to 31,392.12, 43,320.98 and 17,051.88

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Solution

The fourth proportional to 31,392.12, 43,320.98 and 17,051.88 is: 23,531.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,392.12 : 43,320.98 = 17,051.88 : x
  2. Step 2: Convert to fraction form
    31,392.12/43,320.98 = 17,051.88/x
  3. Step 3: Cross multiply
    31,392.12x = 43,320.98 × 17,051.88
  4. Step 4: Simplify right side
    31,392.12x = 738,704,152.44
  5. Step 5: Solve for x
    x = 738,704,152.44/31,392.12
  6. Step 6: Final answer
    x = 23,531.52

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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.