Home / 51,015.80-76,523.60-13,575.88

Finding the Fourth Proportional to 51,015.80, 76,523.60 and 13,575.88

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Solution

The fourth proportional to 51,015.80, 76,523.60 and 13,575.88 is: 20,363.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,015.80 : 76,523.60 = 13,575.88 : x
  2. Step 2: Convert to fraction form
    51,015.80/76,523.60 = 13,575.88/x
  3. Step 3: Cross multiply
    51,015.80x = 76,523.60 × 13,575.88
  4. Step 4: Simplify right side
    51,015.80x = 1,038,875,210.77
  5. Step 5: Solve for x
    x = 1,038,875,210.77/51,015.80
  6. Step 6: Final answer
    x = 20,363.79

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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.