Home / 28,743.31-43,063.08-12,073.51

Finding the Fourth Proportional to 28,743.31, 43,063.08 and 12,073.51

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Solution

The fourth proportional to 28,743.31, 43,063.08 and 12,073.51 is: 18,088.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,743.31 : 43,063.08 = 12,073.51 : x
  2. Step 2: Convert to fraction form
    28,743.31/43,063.08 = 12,073.51/x
  3. Step 3: Cross multiply
    28,743.31x = 43,063.08 × 12,073.51
  4. Step 4: Simplify right side
    28,743.31x = 519,922,527.01
  5. Step 5: Solve for x
    x = 519,922,527.01/28,743.31
  6. Step 6: Final answer
    x = 18,088.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.