Home / 51,592.47-77,388.83-21,991.42

Finding the Fourth Proportional to 51,592.47, 77,388.83 and 21,991.42

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Solution

The fourth proportional to 51,592.47, 77,388.83 and 21,991.42 is: 32,987.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,592.47 : 77,388.83 = 21,991.42 : x
  2. Step 2: Convert to fraction form
    51,592.47/77,388.83 = 21,991.42/x
  3. Step 3: Cross multiply
    51,592.47x = 77,388.83 × 21,991.42
  4. Step 4: Simplify right side
    51,592.47x = 1,701,890,263.84
  5. Step 5: Solve for x
    x = 1,701,890,263.84/51,592.47
  6. Step 6: Final answer
    x = 32,987.18

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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.