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Finding the Fourth Proportional to 39,464, 59,225.22 and 18,687.56

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Solution

The fourth proportional to 39,464, 59,225.22 and 18,687.56 is: 28,045.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,464 : 59,225.22 = 18,687.56 : x
  2. Step 2: Convert to fraction form
    39,464/59,225.22 = 18,687.56/x
  3. Step 3: Cross multiply
    39,464x = 59,225.22 × 18,687.56
  4. Step 4: Simplify right side
    39,464x = 1,106,774,852.26
  5. Step 5: Solve for x
    x = 1,106,774,852.26/39,464
  6. Step 6: Final answer
    x = 28,045.18

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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.