Home / 42,119.52-63,179.36-10,954.72

Finding the Fourth Proportional to 42,119.52, 63,179.36 and 10,954.72

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Solution

The fourth proportional to 42,119.52, 63,179.36 and 10,954.72 is: 16,432.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,119.52 : 63,179.36 = 10,954.72 : x
  2. Step 2: Convert to fraction form
    42,119.52/63,179.36 = 10,954.72/x
  3. Step 3: Cross multiply
    42,119.52x = 63,179.36 × 10,954.72
  4. Step 4: Simplify right side
    42,119.52x = 692,112,198.58
  5. Step 5: Solve for x
    x = 692,112,198.58/42,119.52
  6. Step 6: Final answer
    x = 16,432.10

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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.