Home / 34,768.90-52,141.20-18,123.40

Finding the Fourth Proportional to 34,768.90, 52,141.20 and 18,123.40

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Solution

The fourth proportional to 34,768.90, 52,141.20 and 18,123.40 is: 27,178.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,768.90 : 52,141.20 = 18,123.40 : x
  2. Step 2: Convert to fraction form
    34,768.90/52,141.20 = 18,123.40/x
  3. Step 3: Cross multiply
    34,768.90x = 52,141.20 × 18,123.40
  4. Step 4: Simplify right side
    34,768.90x = 944,975,824.08
  5. Step 5: Solve for x
    x = 944,975,824.08/34,768.90
  6. Step 6: Final answer
    x = 27,178.77

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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.