Home / 34,872.08-48,123.19-18,956.12

Finding the Fourth Proportional to 34,872.08, 48,123.19 and 18,956.12

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Solution

The fourth proportional to 34,872.08, 48,123.19 and 18,956.12 is: 26,159.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,872.08 : 48,123.19 = 18,956.12 : x
  2. Step 2: Convert to fraction form
    34,872.08/48,123.19 = 18,956.12/x
  3. Step 3: Cross multiply
    34,872.08x = 48,123.19 × 18,956.12
  4. Step 4: Simplify right side
    34,872.08x = 912,228,964.42
  5. Step 5: Solve for x
    x = 912,228,964.42/34,872.08
  6. Step 6: Final answer
    x = 26,159.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.