Home / 42,447.79-63,671.61-11,283.04

Finding the Fourth Proportional to 42,447.79, 63,671.61 and 11,283.04

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Solution

The fourth proportional to 42,447.79, 63,671.61 and 11,283.04 is: 16,924.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,447.79 : 63,671.61 = 11,283.04 : x
  2. Step 2: Convert to fraction form
    42,447.79/63,671.61 = 11,283.04/x
  3. Step 3: Cross multiply
    42,447.79x = 63,671.61 × 11,283.04
  4. Step 4: Simplify right side
    42,447.79x = 718,409,322.49
  5. Step 5: Solve for x
    x = 718,409,322.49/42,447.79
  6. Step 6: Final answer
    x = 16,924.54

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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.