Home / 55,302.20-82,953.30-18,366.20

Finding the Fourth Proportional to 55,302.20, 82,953.30 and 18,366.20

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Solution

The fourth proportional to 55,302.20, 82,953.30 and 18,366.20 is: 27,549.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,302.20 : 82,953.30 = 18,366.20 : x
  2. Step 2: Convert to fraction form
    55,302.20/82,953.30 = 18,366.20/x
  3. Step 3: Cross multiply
    55,302.20x = 82,953.30 × 18,366.20
  4. Step 4: Simplify right side
    55,302.20x = 1,523,536,898.46
  5. Step 5: Solve for x
    x = 1,523,536,898.46/55,302.20
  6. Step 6: Final answer
    x = 27,549.30

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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.