Home / 40,431.56-60,656.56-12,355.60

Finding the Fourth Proportional to 40,431.56, 60,656.56 and 12,355.60

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Solution

The fourth proportional to 40,431.56, 60,656.56 and 12,355.60 is: 18,536.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,431.56 : 60,656.56 = 12,355.60 : x
  2. Step 2: Convert to fraction form
    40,431.56/60,656.56 = 12,355.60/x
  3. Step 3: Cross multiply
    40,431.56x = 60,656.56 × 12,355.60
  4. Step 4: Simplify right side
    40,431.56x = 749,448,226.61
  5. Step 5: Solve for x
    x = 749,448,226.61/40,431.56
  6. Step 6: Final answer
    x = 18,536.22

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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.