Home / 42,043.57-63,033.75-19,844.32

Finding the Fourth Proportional to 42,043.57, 63,033.75 and 19,844.32

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Solution

The fourth proportional to 42,043.57, 63,033.75 and 19,844.32 is: 29,751.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,043.57 : 63,033.75 = 19,844.32 : x
  2. Step 2: Convert to fraction form
    42,043.57/63,033.75 = 19,844.32/x
  3. Step 3: Cross multiply
    42,043.57x = 63,033.75 × 19,844.32
  4. Step 4: Simplify right side
    42,043.57x = 1,250,861,905.80
  5. Step 5: Solve for x
    x = 1,250,861,905.80/42,043.57
  6. Step 6: Final answer
    x = 29,751.56

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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.