Home / 40,741.10-61,078.76-14,431.49

Finding the Fourth Proportional to 40,741.10, 61,078.76 and 14,431.49

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Solution

The fourth proportional to 40,741.10, 61,078.76 and 14,431.49 is: 21,635.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,741.10 : 61,078.76 = 14,431.49 : x
  2. Step 2: Convert to fraction form
    40,741.10/61,078.76 = 14,431.49/x
  3. Step 3: Cross multiply
    40,741.10x = 61,078.76 × 14,431.49
  4. Step 4: Simplify right side
    40,741.10x = 881,457,514.15
  5. Step 5: Solve for x
    x = 881,457,514.15/40,741.10
  6. Step 6: Final answer
    x = 21,635.58

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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.