Home / 39,663.84-54,738.96-22,667.68

Finding the Fourth Proportional to 39,663.84, 54,738.96 and 22,667.68

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Solution

The fourth proportional to 39,663.84, 54,738.96 and 22,667.68 is: 31,283.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,663.84 : 54,738.96 = 22,667.68 : x
  2. Step 2: Convert to fraction form
    39,663.84/54,738.96 = 22,667.68/x
  3. Step 3: Cross multiply
    39,663.84x = 54,738.96 × 22,667.68
  4. Step 4: Simplify right side
    39,663.84x = 1,240,805,228.81
  5. Step 5: Solve for x
    x = 1,240,805,228.81/39,663.84
  6. Step 6: Final answer
    x = 31,283.03

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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.