Home / 51,928.25-71,666.04-30,714.35

Finding the Fourth Proportional to 51,928.25, 71,666.04 and 30,714.35

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Solution

The fourth proportional to 51,928.25, 71,666.04 and 30,714.35 is: 42,388.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,928.25 : 71,666.04 = 30,714.35 : x
  2. Step 2: Convert to fraction form
    51,928.25/71,666.04 = 30,714.35/x
  3. Step 3: Cross multiply
    51,928.25x = 71,666.04 × 30,714.35
  4. Step 4: Simplify right side
    51,928.25x = 2,201,175,835.67
  5. Step 5: Solve for x
    x = 2,201,175,835.67/51,928.25
  6. Step 6: Final answer
    x = 42,388.79

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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.