Home / 30,438,576.96-42,002,904.96-17,384,033.76

Finding the Fourth Proportional to 30,438,576.96, 42,002,904.96 and 17,384,033.76

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Solution

The fourth proportional to 30,438,576.96, 42,002,904.96 and 17,384,033.76 is: 23,988,635.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,438,576.96 : 42,002,904.96 = 17,384,033.76 : x
  2. Step 2: Convert to fraction form
    30,438,576.96/42,002,904.96 = 17,384,033.76/x
  3. Step 3: Cross multiply
    30,438,576.96x = 42,002,904.96 × 17,384,033.76
  4. Step 4: Simplify right side
    30,438,576.96x = 730,179,917,842,711.50
  5. Step 5: Solve for x
    x = 730,179,917,842,711.50/30,438,576.96
  6. Step 6: Final answer
    x = 23,988,635.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.