Home / 54,550.28-81,805.26-42,886.28

Finding the Fourth Proportional to 54,550.28, 81,805.26 and 42,886.28

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Solution

The fourth proportional to 54,550.28, 81,805.26 and 42,886.28 is: 64,313.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,550.28 : 81,805.26 = 42,886.28 : x
  2. Step 2: Convert to fraction form
    54,550.28/81,805.26 = 42,886.28/x
  3. Step 3: Cross multiply
    54,550.28x = 81,805.26 × 42,886.28
  4. Step 4: Simplify right side
    54,550.28x = 3,508,323,285.83
  5. Step 5: Solve for x
    x = 3,508,323,285.83/54,550.28
  6. Step 6: Final answer
    x = 64,313.57

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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.