Home / 54,423.30-81,605.70-19,358.40

Finding the Fourth Proportional to 54,423.30, 81,605.70 and 19,358.40

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Solution

The fourth proportional to 54,423.30, 81,605.70 and 19,358.40 is: 29,027.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,423.30 : 81,605.70 = 19,358.40 : x
  2. Step 2: Convert to fraction form
    54,423.30/81,605.70 = 19,358.40/x
  3. Step 3: Cross multiply
    54,423.30x = 81,605.70 × 19,358.40
  4. Step 4: Simplify right side
    54,423.30x = 1,579,755,782.88
  5. Step 5: Solve for x
    x = 1,579,755,782.88/54,423.30
  6. Step 6: Final answer
    x = 29,027.20

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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.