Home / 42,504.09-63,763.44-12,924.91

Finding the Fourth Proportional to 42,504.09, 63,763.44 and 12,924.91

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Solution

The fourth proportional to 42,504.09, 63,763.44 and 12,924.91 is: 19,389.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,504.09 : 63,763.44 = 12,924.91 : x
  2. Step 2: Convert to fraction form
    42,504.09/63,763.44 = 12,924.91/x
  3. Step 3: Cross multiply
    42,504.09x = 63,763.44 × 12,924.91
  4. Step 4: Simplify right side
    42,504.09x = 824,136,723.29
  5. Step 5: Solve for x
    x = 824,136,723.29/42,504.09
  6. Step 6: Final answer
    x = 19,389.59

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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.