Home / 51,714.80-71,364.16-31,605.32

Finding the Fourth Proportional to 51,714.80, 71,364.16 and 31,605.32

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Solution

The fourth proportional to 51,714.80, 71,364.16 and 31,605.32 is: 43,613.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,714.80 : 71,364.16 = 31,605.32 : x
  2. Step 2: Convert to fraction form
    51,714.80/71,364.16 = 31,605.32/x
  3. Step 3: Cross multiply
    51,714.80x = 71,364.16 × 31,605.32
  4. Step 4: Simplify right side
    51,714.80x = 2,255,487,113.33
  5. Step 5: Solve for x
    x = 2,255,487,113.33/51,714.80
  6. Step 6: Final answer
    x = 43,613.96

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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.