Home / 42,228.74-63,358.41-19,759.25

Finding the Fourth Proportional to 42,228.74, 63,358.41 and 19,759.25

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Solution

The fourth proportional to 42,228.74, 63,358.41 and 19,759.25 is: 29,646.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,228.74 : 63,358.41 = 19,759.25 : x
  2. Step 2: Convert to fraction form
    42,228.74/63,358.41 = 19,759.25/x
  3. Step 3: Cross multiply
    42,228.74x = 63,358.41 × 19,759.25
  4. Step 4: Simplify right side
    42,228.74x = 1,251,914,662.79
  5. Step 5: Solve for x
    x = 1,251,914,662.79/42,228.74
  6. Step 6: Final answer
    x = 29,646.03

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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.