Home / 42,447.51-63,671.02-10,857.52

Finding the Fourth Proportional to 42,447.51, 63,671.02 and 10,857.52

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Solution

The fourth proportional to 42,447.51, 63,671.02 and 10,857.52 is: 16,286.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,447.51 : 63,671.02 = 10,857.52 : x
  2. Step 2: Convert to fraction form
    42,447.51/63,671.02 = 10,857.52/x
  3. Step 3: Cross multiply
    42,447.51x = 63,671.02 × 10,857.52
  4. Step 4: Simplify right side
    42,447.51x = 691,309,322.78
  5. Step 5: Solve for x
    x = 691,309,322.78/42,447.51
  6. Step 6: Final answer
    x = 16,286.22

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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.