Home / 33,077.70-45,624.56-21,135.74

Finding the Fourth Proportional to 33,077.70, 45,624.56 and 21,135.74

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Solution

The fourth proportional to 33,077.70, 45,624.56 and 21,135.74 is: 29,152.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,077.70 : 45,624.56 = 21,135.74 : x
  2. Step 2: Convert to fraction form
    33,077.70/45,624.56 = 21,135.74/x
  3. Step 3: Cross multiply
    33,077.70x = 45,624.56 × 21,135.74
  4. Step 4: Simplify right side
    33,077.70x = 964,308,837.77
  5. Step 5: Solve for x
    x = 964,308,837.77/33,077.70
  6. Step 6: Final answer
    x = 29,152.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.