Home / 40,492.24-60,741.24-12,790

Finding the Fourth Proportional to 40,492.24, 60,741.24 and 12,790

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Solution

The fourth proportional to 40,492.24, 60,741.24 and 12,790 is: 19,185.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,492.24 : 60,741.24 = 12,790 : x
  2. Step 2: Convert to fraction form
    40,492.24/60,741.24 = 12,790/x
  3. Step 3: Cross multiply
    40,492.24x = 60,741.24 × 12,790
  4. Step 4: Simplify right side
    40,492.24x = 776,880,459.60
  5. Step 5: Solve for x
    x = 776,880,459.60/40,492.24
  6. Step 6: Final answer
    x = 19,185.91

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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.