Home / 55,068.12-82,572.90-21,786.84

Finding the Fourth Proportional to 55,068.12, 82,572.90 and 21,786.84

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Solution

The fourth proportional to 55,068.12, 82,572.90 and 21,786.84 is: 32,668.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,068.12 : 82,572.90 = 21,786.84 : x
  2. Step 2: Convert to fraction form
    55,068.12/82,572.90 = 21,786.84/x
  3. Step 3: Cross multiply
    55,068.12x = 82,572.90 × 21,786.84
  4. Step 4: Simplify right side
    55,068.12x = 1,799,002,560.64
  5. Step 5: Solve for x
    x = 1,799,002,560.64/55,068.12
  6. Step 6: Final answer
    x = 32,668.68

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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.