Home / 55,341.75-76,371.90-30,192.87

Finding the Fourth Proportional to 55,341.75, 76,371.90 and 30,192.87

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Solution

The fourth proportional to 55,341.75, 76,371.90 and 30,192.87 is: 41,666.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,341.75 : 76,371.90 = 30,192.87 : x
  2. Step 2: Convert to fraction form
    55,341.75/76,371.90 = 30,192.87/x
  3. Step 3: Cross multiply
    55,341.75x = 76,371.90 × 30,192.87
  4. Step 4: Simplify right side
    55,341.75x = 2,305,886,848.35
  5. Step 5: Solve for x
    x = 2,305,886,848.35/55,341.75
  6. Step 6: Final answer
    x = 41,666.32

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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.