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Finding the Fourth Proportional to 45,958.62, 63,427.54 and 28,064.10

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Solution

The fourth proportional to 45,958.62, 63,427.54 and 28,064.10 is: 38,731.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,958.62 : 63,427.54 = 28,064.10 : x
  2. Step 2: Convert to fraction form
    45,958.62/63,427.54 = 28,064.10/x
  3. Step 3: Cross multiply
    45,958.62x = 63,427.54 × 28,064.10
  4. Step 4: Simplify right side
    45,958.62x = 1,780,036,825.31
  5. Step 5: Solve for x
    x = 1,780,036,825.31/45,958.62
  6. Step 6: Final answer
    x = 38,731.29

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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.