Home / 33,123.56-45,710.48-18,976.46

Finding the Fourth Proportional to 33,123.56, 45,710.48 and 18,976.46

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Solution

The fourth proportional to 33,123.56, 45,710.48 and 18,976.46 is: 26,187.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,123.56 : 45,710.48 = 18,976.46 : x
  2. Step 2: Convert to fraction form
    33,123.56/45,710.48 = 18,976.46/x
  3. Step 3: Cross multiply
    33,123.56x = 45,710.48 × 18,976.46
  4. Step 4: Simplify right side
    33,123.56x = 867,423,095.30
  5. Step 5: Solve for x
    x = 867,423,095.30/33,123.56
  6. Step 6: Final answer
    x = 26,187.50

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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.