Home / 38,953.47-58,434.30-19,213.05

Finding the Fourth Proportional to 38,953.47, 58,434.30 and 19,213.05

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Solution

The fourth proportional to 38,953.47, 58,434.30 and 19,213.05 is: 28,821.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,953.47 : 58,434.30 = 19,213.05 : x
  2. Step 2: Convert to fraction form
    38,953.47/58,434.30 = 19,213.05/x
  3. Step 3: Cross multiply
    38,953.47x = 58,434.30 × 19,213.05
  4. Step 4: Simplify right side
    38,953.47x = 1,122,701,127.62
  5. Step 5: Solve for x
    x = 1,122,701,127.62/38,953.47
  6. Step 6: Final answer
    x = 28,821.59

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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.