Home / 53,616.29-80,393.65-20,315.14

Finding the Fourth Proportional to 53,616.29, 80,393.65 and 20,315.14

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Solution

The fourth proportional to 53,616.29, 80,393.65 and 20,315.14 is: 30,461.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,616.29 : 80,393.65 = 20,315.14 : x
  2. Step 2: Convert to fraction form
    53,616.29/80,393.65 = 20,315.14/x
  3. Step 3: Cross multiply
    53,616.29x = 80,393.65 × 20,315.14
  4. Step 4: Simplify right side
    53,616.29x = 1,633,208,003.09
  5. Step 5: Solve for x
    x = 1,633,208,003.09/53,616.29
  6. Step 6: Final answer
    x = 30,461.04

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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.