Home / 40,458.12-60,671.76-12,369.60

Finding the Fourth Proportional to 40,458.12, 60,671.76 and 12,369.60

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Solution

The fourth proportional to 40,458.12, 60,671.76 and 12,369.60 is: 18,549.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,458.12 : 60,671.76 = 12,369.60 : x
  2. Step 2: Convert to fraction form
    40,458.12/60,671.76 = 12,369.60/x
  3. Step 3: Cross multiply
    40,458.12x = 60,671.76 × 12,369.60
  4. Step 4: Simplify right side
    40,458.12x = 750,485,402.50
  5. Step 5: Solve for x
    x = 750,485,402.50/40,458.12
  6. Step 6: Final answer
    x = 18,549.69

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1.5x scale

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.