Home / 51,030.82-76,529.20-21,443.14

Finding the Fourth Proportional to 51,030.82, 76,529.20 and 21,443.14

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Solution

The fourth proportional to 51,030.82, 76,529.20 and 21,443.14 is: 32,157.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,030.82 : 76,529.20 = 21,443.14 : x
  2. Step 2: Convert to fraction form
    51,030.82/76,529.20 = 21,443.14/x
  3. Step 3: Cross multiply
    51,030.82x = 76,529.20 × 21,443.14
  4. Step 4: Simplify right side
    51,030.82x = 1,641,026,349.69
  5. Step 5: Solve for x
    x = 1,641,026,349.69/51,030.82
  6. Step 6: Final answer
    x = 32,157.55

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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.