Home / 42,314.81-63,471.60-14,241.02

Finding the Fourth Proportional to 42,314.81, 63,471.60 and 14,241.02

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Solution

The fourth proportional to 42,314.81, 63,471.60 and 14,241.02 is: 21,361.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,314.81 : 63,471.60 = 14,241.02 : x
  2. Step 2: Convert to fraction form
    42,314.81/63,471.60 = 14,241.02/x
  3. Step 3: Cross multiply
    42,314.81x = 63,471.60 × 14,241.02
  4. Step 4: Simplify right side
    42,314.81x = 903,900,007.67
  5. Step 5: Solve for x
    x = 903,900,007.67/42,314.81
  6. Step 6: Final answer
    x = 21,361.32

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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.