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Finding the Fourth Proportional to 55,048.88, 75,954.44 and 32,388.86

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Solution

The fourth proportional to 55,048.88, 75,954.44 and 32,388.86 is: 44,688.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,048.88 : 75,954.44 = 32,388.86 : x
  2. Step 2: Convert to fraction form
    55,048.88/75,954.44 = 32,388.86/x
  3. Step 3: Cross multiply
    55,048.88x = 75,954.44 × 32,388.86
  4. Step 4: Simplify right side
    55,048.88x = 2,460,077,994.40
  5. Step 5: Solve for x
    x = 2,460,077,994.40/55,048.88
  6. Step 6: Final answer
    x = 44,688.97

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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.