Home / 42,003.04-63,004.56-28,815.44

Finding the Fourth Proportional to 42,003.04, 63,004.56 and 28,815.44

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Solution

The fourth proportional to 42,003.04, 63,004.56 and 28,815.44 is: 43,223.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,003.04 : 63,004.56 = 28,815.44 : x
  2. Step 2: Convert to fraction form
    42,003.04/63,004.56 = 28,815.44/x
  3. Step 3: Cross multiply
    42,003.04x = 63,004.56 × 28,815.44
  4. Step 4: Simplify right side
    42,003.04x = 1,815,504,118.41
  5. Step 5: Solve for x
    x = 1,815,504,118.41/42,003.04
  6. Step 6: Final answer
    x = 43,223.16

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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.