Home / 45,979.39-63,459.07-38,310.49

Finding the Fourth Proportional to 45,979.39, 63,459.07 and 38,310.49

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Solution

The fourth proportional to 45,979.39, 63,459.07 and 38,310.49 is: 52,874.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,979.39 : 63,459.07 = 38,310.49 : x
  2. Step 2: Convert to fraction form
    45,979.39/63,459.07 = 38,310.49/x
  3. Step 3: Cross multiply
    45,979.39x = 63,459.07 × 38,310.49
  4. Step 4: Simplify right side
    45,979.39x = 2,431,148,066.64
  5. Step 5: Solve for x
    x = 2,431,148,066.64/45,979.39
  6. Step 6: Final answer
    x = 52,874.74

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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.