Home / 42,503.09-63,761.94-12,923.91

Finding the Fourth Proportional to 42,503.09, 63,761.94 and 12,923.91

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Solution

The fourth proportional to 42,503.09, 63,761.94 and 12,923.91 is: 19,388.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,503.09 : 63,761.94 = 12,923.91 : x
  2. Step 2: Convert to fraction form
    42,503.09/63,761.94 = 12,923.91/x
  3. Step 3: Cross multiply
    42,503.09x = 63,761.94 × 12,923.91
  4. Step 4: Simplify right side
    42,503.09x = 824,053,573.99
  5. Step 5: Solve for x
    x = 824,053,573.99/42,503.09
  6. Step 6: Final answer
    x = 19,388.09

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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.