Home / 45,979.52-63,427.91-30,876.46

Finding the Fourth Proportional to 45,979.52, 63,427.91 and 30,876.46

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Solution

The fourth proportional to 45,979.52, 63,427.91 and 30,876.46 is: 42,593.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,979.52 : 63,427.91 = 30,876.46 : x
  2. Step 2: Convert to fraction form
    45,979.52/63,427.91 = 30,876.46/x
  3. Step 3: Cross multiply
    45,979.52x = 63,427.91 × 30,876.46
  4. Step 4: Simplify right side
    45,979.52x = 1,958,429,186.73
  5. Step 5: Solve for x
    x = 1,958,429,186.73/45,979.52
  6. Step 6: Final answer
    x = 42,593.52

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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.