Home / 33,535.12-46,279.44-18,428.72

Finding the Fourth Proportional to 33,535.12, 46,279.44 and 18,428.72

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Solution

The fourth proportional to 33,535.12, 46,279.44 and 18,428.72 is: 25,432.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,535.12 : 46,279.44 = 18,428.72 : x
  2. Step 2: Convert to fraction form
    33,535.12/46,279.44 = 18,428.72/x
  3. Step 3: Cross multiply
    33,535.12x = 46,279.44 × 18,428.72
  4. Step 4: Simplify right side
    33,535.12x = 852,870,841.52
  5. Step 5: Solve for x
    x = 852,870,841.52/33,535.12
  6. Step 6: Final answer
    x = 25,432.17

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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.