Home / 35,654.18-49,200.90-19,518.40

Finding the Fourth Proportional to 35,654.18, 49,200.90 and 19,518.40

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Solution

The fourth proportional to 35,654.18, 49,200.90 and 19,518.40 is: 26,934.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,654.18 : 49,200.90 = 19,518.40 : x
  2. Step 2: Convert to fraction form
    35,654.18/49,200.90 = 19,518.40/x
  3. Step 3: Cross multiply
    35,654.18x = 49,200.90 × 19,518.40
  4. Step 4: Simplify right side
    35,654.18x = 960,322,696.49
  5. Step 5: Solve for x
    x = 960,322,696.49/35,654.18
  6. Step 6: Final answer
    x = 26,934.36

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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.