Home / 40,446.64-60,670.86-13,792.60

Finding the Fourth Proportional to 40,446.64, 60,670.86 and 13,792.60

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Solution

The fourth proportional to 40,446.64, 60,670.86 and 13,792.60 is: 20,689.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,446.64 : 60,670.86 = 13,792.60 : x
  2. Step 2: Convert to fraction form
    40,446.64/60,670.86 = 13,792.60/x
  3. Step 3: Cross multiply
    40,446.64x = 60,670.86 × 13,792.60
  4. Step 4: Simplify right side
    40,446.64x = 836,808,903.64
  5. Step 5: Solve for x
    x = 836,808,903.64/40,446.64
  6. Step 6: Final answer
    x = 20,689.21

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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.