Home / 45,036.86-67,500.66-33,079.76

Finding the Fourth Proportional to 45,036.86, 67,500.66 and 33,079.76

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Solution

The fourth proportional to 45,036.86, 67,500.66 and 33,079.76 is: 49,579.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,036.86 : 67,500.66 = 33,079.76 : x
  2. Step 2: Convert to fraction form
    45,036.86/67,500.66 = 33,079.76/x
  3. Step 3: Cross multiply
    45,036.86x = 67,500.66 × 33,079.76
  4. Step 4: Simplify right side
    45,036.86x = 2,232,905,801.39
  5. Step 5: Solve for x
    x = 2,232,905,801.39/45,036.86
  6. Step 6: Final answer
    x = 49,579.52

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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.