Home / 53,666.16-80,496.66-20,383.63

Finding the Fourth Proportional to 53,666.16, 80,496.66 and 20,383.63

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Solution

The fourth proportional to 53,666.16, 80,496.66 and 20,383.63 is: 30,574.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,666.16 : 80,496.66 = 20,383.63 : x
  2. Step 2: Convert to fraction form
    53,666.16/80,496.66 = 20,383.63/x
  3. Step 3: Cross multiply
    53,666.16x = 80,496.66 × 20,383.63
  4. Step 4: Simplify right side
    53,666.16x = 1,640,813,932.43
  5. Step 5: Solve for x
    x = 1,640,813,932.43/53,666.16
  6. Step 6: Final answer
    x = 30,574.46

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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.