Home / 42,604.13-63,914.40-19,230.59

Finding the Fourth Proportional to 42,604.13, 63,914.40 and 19,230.59

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Solution

The fourth proportional to 42,604.13, 63,914.40 and 19,230.59 is: 28,849.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,604.13 : 63,914.40 = 19,230.59 : x
  2. Step 2: Convert to fraction form
    42,604.13/63,914.40 = 19,230.59/x
  3. Step 3: Cross multiply
    42,604.13x = 63,914.40 × 19,230.59
  4. Step 4: Simplify right side
    42,604.13x = 1,229,111,301.92
  5. Step 5: Solve for x
    x = 1,229,111,301.92/42,604.13
  6. Step 6: Final answer
    x = 28,849.58

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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.