Home / 51,320.66-76,994.55-21,739.58

Finding the Fourth Proportional to 51,320.66, 76,994.55 and 21,739.58

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Solution

The fourth proportional to 51,320.66, 76,994.55 and 21,739.58 is: 32,615.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,320.66 : 76,994.55 = 21,739.58 : x
  2. Step 2: Convert to fraction form
    51,320.66/76,994.55 = 21,739.58/x
  3. Step 3: Cross multiply
    51,320.66x = 76,994.55 × 21,739.58
  4. Step 4: Simplify right side
    51,320.66x = 1,673,829,179.29
  5. Step 5: Solve for x
    x = 1,673,829,179.29/51,320.66
  6. Step 6: Final answer
    x = 32,615.11

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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.