Home / 54,329.19-81,451.86-20,594.71

Finding the Fourth Proportional to 54,329.19, 81,451.86 and 20,594.71

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Solution

The fourth proportional to 54,329.19, 81,451.86 and 20,594.71 is: 30,876.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,329.19 : 81,451.86 = 20,594.71 : x
  2. Step 2: Convert to fraction form
    54,329.19/81,451.86 = 20,594.71/x
  3. Step 3: Cross multiply
    54,329.19x = 81,451.86 × 20,594.71
  4. Step 4: Simplify right side
    54,329.19x = 1,677,477,435.66
  5. Step 5: Solve for x
    x = 1,677,477,435.66/54,329.19
  6. Step 6: Final answer
    x = 30,876.17

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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.