Home / 54,743.23-82,089.32-28,440.91

Finding the Fourth Proportional to 54,743.23, 82,089.32 and 28,440.91

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Solution

The fourth proportional to 54,743.23, 82,089.32 and 28,440.91 is: 42,648.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,743.23 : 82,089.32 = 28,440.91 : x
  2. Step 2: Convert to fraction form
    54,743.23/82,089.32 = 28,440.91/x
  3. Step 3: Cross multiply
    54,743.23x = 82,089.32 × 28,440.91
  4. Step 4: Simplify right side
    54,743.23x = 2,334,694,409.43
  5. Step 5: Solve for x
    x = 2,334,694,409.43/54,743.23
  6. Step 6: Final answer
    x = 42,648.10

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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.