Home / 55,491.99-76,579.25-30,341.49

Finding the Fourth Proportional to 55,491.99, 76,579.25 and 30,341.49

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Solution

The fourth proportional to 55,491.99, 76,579.25 and 30,341.49 is: 41,871.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,491.99 : 76,579.25 = 30,341.49 : x
  2. Step 2: Convert to fraction form
    55,491.99/76,579.25 = 30,341.49/x
  3. Step 3: Cross multiply
    55,491.99x = 76,579.25 × 30,341.49
  4. Step 4: Simplify right side
    55,491.99x = 2,323,528,587.82
  5. Step 5: Solve for x
    x = 2,323,528,587.82/55,491.99
  6. Step 6: Final answer
    x = 41,871.42

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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.