Home / 29,146.32-43,719.84-8,370

Finding the Fourth Proportional to 29,146.32, 43,719.84 and 8,370

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Solution

The fourth proportional to 29,146.32, 43,719.84 and 8,370 is: 12,555.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,146.32 : 43,719.84 = 8,370 : x
  2. Step 2: Convert to fraction form
    29,146.32/43,719.84 = 8,370/x
  3. Step 3: Cross multiply
    29,146.32x = 43,719.84 × 8,370
  4. Step 4: Simplify right side
    29,146.32x = 365,935,060.80
  5. Step 5: Solve for x
    x = 365,935,060.80/29,146.32
  6. Step 6: Final answer
    x = 12,555.10

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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.