Home / 33,378.81-46,063.11-18,271.77

Finding the Fourth Proportional to 33,378.81, 46,063.11 and 18,271.77

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Solution

The fourth proportional to 33,378.81, 46,063.11 and 18,271.77 is: 25,215.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,378.81 : 46,063.11 = 18,271.77 : x
  2. Step 2: Convert to fraction form
    33,378.81/46,063.11 = 18,271.77/x
  3. Step 3: Cross multiply
    33,378.81x = 46,063.11 × 18,271.77
  4. Step 4: Simplify right side
    33,378.81x = 841,654,551.40
  5. Step 5: Solve for x
    x = 841,654,551.40/33,378.81
  6. Step 6: Final answer
    x = 25,215.24

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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.