Home / 35,618.60-49,154.10-19,702.64

Finding the Fourth Proportional to 35,618.60, 49,154.10 and 19,702.64

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Solution

The fourth proportional to 35,618.60, 49,154.10 and 19,702.64 is: 27,189.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,618.60 : 49,154.10 = 19,702.64 : x
  2. Step 2: Convert to fraction form
    35,618.60/49,154.10 = 19,702.64/x
  3. Step 3: Cross multiply
    35,618.60x = 49,154.10 × 19,702.64
  4. Step 4: Simplify right side
    35,618.60x = 968,465,536.82
  5. Step 5: Solve for x
    x = 968,465,536.82/35,618.60
  6. Step 6: Final answer
    x = 27,189.88

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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.