Home / 34,920.10-48,190.83-19,813.40

Finding the Fourth Proportional to 34,920.10, 48,190.83 and 19,813.40

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Solution

The fourth proportional to 34,920.10, 48,190.83 and 19,813.40 is: 27,343.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,920.10 : 48,190.83 = 19,813.40 : x
  2. Step 2: Convert to fraction form
    34,920.10/48,190.83 = 19,813.40/x
  3. Step 3: Cross multiply
    34,920.10x = 48,190.83 × 19,813.40
  4. Step 4: Simplify right side
    34,920.10x = 954,824,191.12
  5. Step 5: Solve for x
    x = 954,824,191.12/34,920.10
  6. Step 6: Final answer
    x = 27,343.11

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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.