Home / 42,084.12-63,132.21-13,994.94

Finding the Fourth Proportional to 42,084.12, 63,132.21 and 13,994.94

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Solution

The fourth proportional to 42,084.12, 63,132.21 and 13,994.94 is: 20,994.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,084.12 : 63,132.21 = 13,994.94 : x
  2. Step 2: Convert to fraction form
    42,084.12/63,132.21 = 13,994.94/x
  3. Step 3: Cross multiply
    42,084.12x = 63,132.21 × 13,994.94
  4. Step 4: Simplify right side
    42,084.12x = 883,531,491.02
  5. Step 5: Solve for x
    x = 883,531,491.02/42,084.12
  6. Step 6: Final answer
    x = 20,994.42

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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.