Home / 42,147.30-63,172.26-15,835.26

Finding the Fourth Proportional to 42,147.30, 63,172.26 and 15,835.26

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Solution

The fourth proportional to 42,147.30, 63,172.26 and 15,835.26 is: 23,734.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,147.30 : 63,172.26 = 15,835.26 : x
  2. Step 2: Convert to fraction form
    42,147.30/63,172.26 = 15,835.26/x
  3. Step 3: Cross multiply
    42,147.30x = 63,172.26 × 15,835.26
  4. Step 4: Simplify right side
    42,147.30x = 1,000,349,161.89
  5. Step 5: Solve for x
    x = 1,000,349,161.89/42,147.30
  6. Step 6: Final answer
    x = 23,734.60

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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.