Home / 55,305.12-82,957.68-13,752.16

Finding the Fourth Proportional to 55,305.12, 82,957.68 and 13,752.16

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Solution

The fourth proportional to 55,305.12, 82,957.68 and 13,752.16 is: 20,628.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,305.12 : 82,957.68 = 13,752.16 : x
  2. Step 2: Convert to fraction form
    55,305.12/82,957.68 = 13,752.16/x
  3. Step 3: Cross multiply
    55,305.12x = 82,957.68 × 13,752.16
  4. Step 4: Simplify right side
    55,305.12x = 1,140,847,288.59
  5. Step 5: Solve for x
    x = 1,140,847,288.59/55,305.12
  6. Step 6: Final answer
    x = 20,628.24

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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.