Home / 51,051.84-76,577.76-15,991.68

Finding the Fourth Proportional to 51,051.84, 76,577.76 and 15,991.68

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Solution

The fourth proportional to 51,051.84, 76,577.76 and 15,991.68 is: 23,987.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,051.84 : 76,577.76 = 15,991.68 : x
  2. Step 2: Convert to fraction form
    51,051.84/76,577.76 = 15,991.68/x
  3. Step 3: Cross multiply
    51,051.84x = 76,577.76 × 15,991.68
  4. Step 4: Simplify right side
    51,051.84x = 1,224,607,033.04
  5. Step 5: Solve for x
    x = 1,224,607,033.04/51,051.84
  6. Step 6: Final answer
    x = 23,987.52

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Similar ratio
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1.5x scale

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.