Home / 51,731.32-77,532.05-22,114.34

Finding the Fourth Proportional to 51,731.32, 77,532.05 and 22,114.34

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Solution

The fourth proportional to 51,731.32, 77,532.05 and 22,114.34 is: 33,143.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,731.32 : 77,532.05 = 22,114.34 : x
  2. Step 2: Convert to fraction form
    51,731.32/77,532.05 = 22,114.34/x
  3. Step 3: Cross multiply
    51,731.32x = 77,532.05 × 22,114.34
  4. Step 4: Simplify right side
    51,731.32x = 1,714,570,004.03
  5. Step 5: Solve for x
    x = 1,714,570,004.03/51,731.32
  6. Step 6: Final answer
    x = 33,143.75

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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.