Home / 42,152.44-63,228.66-10,987.60

Finding the Fourth Proportional to 42,152.44, 63,228.66 and 10,987.60

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Solution

The fourth proportional to 42,152.44, 63,228.66 and 10,987.60 is: 16,481.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,152.44 : 63,228.66 = 10,987.60 : x
  2. Step 2: Convert to fraction form
    42,152.44/63,228.66 = 10,987.60/x
  3. Step 3: Cross multiply
    42,152.44x = 63,228.66 × 10,987.60
  4. Step 4: Simplify right side
    42,152.44x = 694,731,224.62
  5. Step 5: Solve for x
    x = 694,731,224.62/42,152.44
  6. Step 6: Final answer
    x = 16,481.40

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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.