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Finding the Fourth Proportional to 59,644.67, 89,467.03 and 28,031.53

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Solution

The fourth proportional to 59,644.67, 89,467.03 and 28,031.53 is: 42,047.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,644.67 : 89,467.03 = 28,031.53 : x
  2. Step 2: Convert to fraction form
    59,644.67/89,467.03 = 28,031.53/x
  3. Step 3: Cross multiply
    59,644.67x = 89,467.03 × 28,031.53
  4. Step 4: Simplify right side
    59,644.67x = 2,507,897,735.46
  5. Step 5: Solve for x
    x = 2,507,897,735.46/59,644.67
  6. Step 6: Final answer
    x = 42,047.31

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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.