Home / 54,808.10-82,212.15-19,748.90

Finding the Fourth Proportional to 54,808.10, 82,212.15 and 19,748.90

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Solution

The fourth proportional to 54,808.10, 82,212.15 and 19,748.90 is: 29,623.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,808.10 : 82,212.15 = 19,748.90 : x
  2. Step 2: Convert to fraction form
    54,808.10/82,212.15 = 19,748.90/x
  3. Step 3: Cross multiply
    54,808.10x = 82,212.15 × 19,748.90
  4. Step 4: Simplify right side
    54,808.10x = 1,623,599,529.14
  5. Step 5: Solve for x
    x = 1,623,599,529.14/54,808.10
  6. Step 6: Final answer
    x = 29,623.35

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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.