Home / 55,281.24-82,946.16-20,226.12

Finding the Fourth Proportional to 55,281.24, 82,946.16 and 20,226.12

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Solution

The fourth proportional to 55,281.24, 82,946.16 and 20,226.12 is: 30,348.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,281.24 : 82,946.16 = 20,226.12 : x
  2. Step 2: Convert to fraction form
    55,281.24/82,946.16 = 20,226.12/x
  3. Step 3: Cross multiply
    55,281.24x = 82,946.16 × 20,226.12
  4. Step 4: Simplify right side
    55,281.24x = 1,677,678,985.70
  5. Step 5: Solve for x
    x = 1,677,678,985.70/55,281.24
  6. Step 6: Final answer
    x = 30,348.07

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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.