Home / 54,357.66-81,532.17-19,292.76

Finding the Fourth Proportional to 54,357.66, 81,532.17 and 19,292.76

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Solution

The fourth proportional to 54,357.66, 81,532.17 and 19,292.76 is: 28,937.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,357.66 : 81,532.17 = 19,292.76 : x
  2. Step 2: Convert to fraction form
    54,357.66/81,532.17 = 19,292.76/x
  3. Step 3: Cross multiply
    54,357.66x = 81,532.17 × 19,292.76
  4. Step 4: Simplify right side
    54,357.66x = 1,572,980,588.09
  5. Step 5: Solve for x
    x = 1,572,980,588.09/54,357.66
  6. Step 6: Final answer
    x = 28,937.61

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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.