Home / 67,277.13-100,929.93-19,888.48

Finding the Fourth Proportional to 67,277.13, 100,929.93 and 19,888.48

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Solution

The fourth proportional to 67,277.13, 100,929.93 and 19,888.48 is: 29,836.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,277.13 : 100,929.93 = 19,888.48 : x
  2. Step 2: Convert to fraction form
    67,277.13/100,929.93 = 19,888.48/x
  3. Step 3: Cross multiply
    67,277.13x = 100,929.93 × 19,888.48
  4. Step 4: Simplify right side
    67,277.13x = 2,007,342,894.21
  5. Step 5: Solve for x
    x = 2,007,342,894.21/67,277.13
  6. Step 6: Final answer
    x = 29,836.93

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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.