Home / 49,966.40-74,971.20-25,342.40

Finding the Fourth Proportional to 49,966.40, 74,971.20 and 25,342.40

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Solution

The fourth proportional to 49,966.40, 74,971.20 and 25,342.40 is: 38,024.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,966.40 : 74,971.20 = 25,342.40 : x
  2. Step 2: Convert to fraction form
    49,966.40/74,971.20 = 25,342.40/x
  3. Step 3: Cross multiply
    49,966.40x = 74,971.20 × 25,342.40
  4. Step 4: Simplify right side
    49,966.40x = 1,899,950,138.88
  5. Step 5: Solve for x
    x = 1,899,950,138.88/49,966.40
  6. Step 6: Final answer
    x = 38,024.56

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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.