Home / 42,242.78-63,361.74-14,161.70

Finding the Fourth Proportional to 42,242.78, 63,361.74 and 14,161.70

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Solution

The fourth proportional to 42,242.78, 63,361.74 and 14,161.70 is: 21,241.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,242.78 : 63,361.74 = 14,161.70 : x
  2. Step 2: Convert to fraction form
    42,242.78/63,361.74 = 14,161.70/x
  3. Step 3: Cross multiply
    42,242.78x = 63,361.74 × 14,161.70
  4. Step 4: Simplify right side
    42,242.78x = 897,310,164.87
  5. Step 5: Solve for x
    x = 897,310,164.87/42,242.78
  6. Step 6: Final answer
    x = 21,241.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.