Home / 51,125.36-76,698.41-21,543.18

Finding the Fourth Proportional to 51,125.36, 76,698.41 and 21,543.18

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Solution

The fourth proportional to 51,125.36, 76,698.41 and 21,543.18 is: 32,319.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,125.36 : 76,698.41 = 21,543.18 : x
  2. Step 2: Convert to fraction form
    51,125.36/76,698.41 = 21,543.18/x
  3. Step 3: Cross multiply
    51,125.36x = 76,698.41 × 21,543.18
  4. Step 4: Simplify right side
    51,125.36x = 1,652,327,544.63
  5. Step 5: Solve for x
    x = 1,652,327,544.63/51,125.36
  6. Step 6: Final answer
    x = 32,319.14

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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.