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Finding the Fourth Proportional to 45,633.76, 62,973.88 and 25,490.94

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Solution

The fourth proportional to 45,633.76, 62,973.88 and 25,490.94 is: 35,177.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,633.76 : 62,973.88 = 25,490.94 : x
  2. Step 2: Convert to fraction form
    45,633.76/62,973.88 = 25,490.94/x
  3. Step 3: Cross multiply
    45,633.76x = 62,973.88 × 25,490.94
  4. Step 4: Simplify right side
    45,633.76x = 1,605,263,396.65
  5. Step 5: Solve for x
    x = 1,605,263,396.65/45,633.76
  6. Step 6: Final answer
    x = 35,177.10

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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.