Home / 33,123.51-45,710.19-18,976.32

Finding the Fourth Proportional to 33,123.51, 45,710.19 and 18,976.32

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Solution

The fourth proportional to 33,123.51, 45,710.19 and 18,976.32 is: 26,187.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,123.51 : 45,710.19 = 18,976.32 : x
  2. Step 2: Convert to fraction form
    33,123.51/45,710.19 = 18,976.32/x
  3. Step 3: Cross multiply
    33,123.51x = 45,710.19 × 18,976.32
  4. Step 4: Simplify right side
    33,123.51x = 867,411,192.70
  5. Step 5: Solve for x
    x = 867,411,192.70/33,123.51
  6. Step 6: Final answer
    x = 26,187.18

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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.