Home / 42,215.74-63,338.79-19,746.46

Finding the Fourth Proportional to 42,215.74, 63,338.79 and 19,746.46

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Solution

The fourth proportional to 42,215.74, 63,338.79 and 19,746.46 is: 29,626.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,215.74 : 63,338.79 = 19,746.46 : x
  2. Step 2: Convert to fraction form
    42,215.74/63,338.79 = 19,746.46/x
  3. Step 3: Cross multiply
    42,215.74x = 63,338.79 × 19,746.46
  4. Step 4: Simplify right side
    42,215.74x = 1,250,716,883.18
  5. Step 5: Solve for x
    x = 1,250,716,883.18/42,215.74
  6. Step 6: Final answer
    x = 29,626.79

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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.