Home / 42,963.04-64,450.56-13,383.04

Finding the Fourth Proportional to 42,963.04, 64,450.56 and 13,383.04

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Solution

The fourth proportional to 42,963.04, 64,450.56 and 13,383.04 is: 20,076.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,963.04 : 64,450.56 = 13,383.04 : x
  2. Step 2: Convert to fraction form
    42,963.04/64,450.56 = 13,383.04/x
  3. Step 3: Cross multiply
    42,963.04x = 64,450.56 × 13,383.04
  4. Step 4: Simplify right side
    42,963.04x = 862,544,422.50
  5. Step 5: Solve for x
    x = 862,544,422.50/42,963.04
  6. Step 6: Final answer
    x = 20,076.43

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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.