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Finding the Fourth Proportional to 40,043.19, 60,060.69 and 10,457.19

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Solution

The fourth proportional to 40,043.19, 60,060.69 and 10,457.19 is: 15,684.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,043.19 : 60,060.69 = 10,457.19 : x
  2. Step 2: Convert to fraction form
    40,043.19/60,060.69 = 10,457.19/x
  3. Step 3: Cross multiply
    40,043.19x = 60,060.69 × 10,457.19
  4. Step 4: Simplify right side
    40,043.19x = 628,066,046.86
  5. Step 5: Solve for x
    x = 628,066,046.86/40,043.19
  6. Step 6: Final answer
    x = 15,684.72

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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.