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Finding the Fourth Proportional to 45,994.76, 63,472.20 and 25,855.06

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Solution

The fourth proportional to 45,994.76, 63,472.20 and 25,855.06 is: 35,679.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,994.76 : 63,472.20 = 25,855.06 : x
  2. Step 2: Convert to fraction form
    45,994.76/63,472.20 = 25,855.06/x
  3. Step 3: Cross multiply
    45,994.76x = 63,472.20 × 25,855.06
  4. Step 4: Simplify right side
    45,994.76x = 1,641,077,539.33
  5. Step 5: Solve for x
    x = 1,641,077,539.33/45,994.76
  6. Step 6: Final answer
    x = 35,679.66

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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.