Home / 42,744.48-64,121.90-17,801.44

Finding the Fourth Proportional to 42,744.48, 64,121.90 and 17,801.44

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Solution

The fourth proportional to 42,744.48, 64,121.90 and 17,801.44 is: 26,704.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,744.48 : 64,121.90 = 17,801.44 : x
  2. Step 2: Convert to fraction form
    42,744.48/64,121.90 = 17,801.44/x
  3. Step 3: Cross multiply
    42,744.48x = 64,121.90 × 17,801.44
  4. Step 4: Simplify right side
    42,744.48x = 1,141,462,155.54
  5. Step 5: Solve for x
    x = 1,141,462,155.54/42,744.48
  6. Step 6: Final answer
    x = 26,704.32

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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.