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Finding the Fourth Proportional to 39,034, 58,222.04 and 32,720.80

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Solution

The fourth proportional to 39,034, 58,222.04 and 32,720.80 is: 48,805.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,034 : 58,222.04 = 32,720.80 : x
  2. Step 2: Convert to fraction form
    39,034/58,222.04 = 32,720.80/x
  3. Step 3: Cross multiply
    39,034x = 58,222.04 × 32,720.80
  4. Step 4: Simplify right side
    39,034x = 1,905,071,726.43
  5. Step 5: Solve for x
    x = 1,905,071,726.43/39,034
  6. Step 6: Final answer
    x = 48,805.44

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.