Home / 40,157.04-60,235-12,455.04

Finding the Fourth Proportional to 40,157.04, 60,235 and 12,455.04

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Solution

The fourth proportional to 40,157.04, 60,235 and 12,455.04 is: 18,682.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,157.04 : 60,235 = 12,455.04 : x
  2. Step 2: Convert to fraction form
    40,157.04/60,235 = 12,455.04/x
  3. Step 3: Cross multiply
    40,157.04x = 60,235 × 12,455.04
  4. Step 4: Simplify right side
    40,157.04x = 750,229,334.40
  5. Step 5: Solve for x
    x = 750,229,334.40/40,157.04
  6. Step 6: Final answer
    x = 18,682.39

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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.