Home / 47,642.91-65,597.54-40,457.76

Finding the Fourth Proportional to 47,642.91, 65,597.54 and 40,457.76

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Solution

The fourth proportional to 47,642.91, 65,597.54 and 40,457.76 is: 55,704.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,642.91 : 65,597.54 = 40,457.76 : x
  2. Step 2: Convert to fraction form
    47,642.91/65,597.54 = 40,457.76/x
  3. Step 3: Cross multiply
    47,642.91x = 65,597.54 × 40,457.76
  4. Step 4: Simplify right side
    47,642.91x = 2,653,929,327.62
  5. Step 5: Solve for x
    x = 2,653,929,327.62/47,642.91
  6. Step 6: Final answer
    x = 55,704.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.