Home / 42,527.94-63,794.99-12,945.81

Finding the Fourth Proportional to 42,527.94, 63,794.99 and 12,945.81

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Solution

The fourth proportional to 42,527.94, 63,794.99 and 12,945.81 is: 19,419.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,527.94 : 63,794.99 = 12,945.81 : x
  2. Step 2: Convert to fraction form
    42,527.94/63,794.99 = 12,945.81/x
  3. Step 3: Cross multiply
    42,527.94x = 63,794.99 × 12,945.81
  4. Step 4: Simplify right side
    42,527.94x = 825,877,754.76
  5. Step 5: Solve for x
    x = 825,877,754.76/42,527.94
  6. Step 6: Final answer
    x = 19,419.65

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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.