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Finding the Fourth Proportional to 45,663.40, 63,015 and 25,245.38

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Solution

The fourth proportional to 45,663.40, 63,015 and 25,245.38 is: 34,838.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,663.40 : 63,015 = 25,245.38 : x
  2. Step 2: Convert to fraction form
    45,663.40/63,015 = 25,245.38/x
  3. Step 3: Cross multiply
    45,663.40x = 63,015 × 25,245.38
  4. Step 4: Simplify right side
    45,663.40x = 1,590,837,620.70
  5. Step 5: Solve for x
    x = 1,590,837,620.70/45,663.40
  6. Step 6: Final answer
    x = 34,838.35

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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.