Home / 34,911.98-48,178.50-18,996.40

Finding the Fourth Proportional to 34,911.98, 48,178.50 and 18,996.40

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Solution

The fourth proportional to 34,911.98, 48,178.50 and 18,996.40 is: 26,215.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,911.98 : 48,178.50 = 18,996.40 : x
  2. Step 2: Convert to fraction form
    34,911.98/48,178.50 = 18,996.40/x
  3. Step 3: Cross multiply
    34,911.98x = 48,178.50 × 18,996.40
  4. Step 4: Simplify right side
    34,911.98x = 915,218,057.40
  5. Step 5: Solve for x
    x = 915,218,057.40/34,911.98
  6. Step 6: Final answer
    x = 26,215.01

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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.