Home / 63,479.10-87,561.36-40,847.52

Finding the Fourth Proportional to 63,479.10, 87,561.36 and 40,847.52

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Solution

The fourth proportional to 63,479.10, 87,561.36 and 40,847.52 is: 56,343.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,479.10 : 87,561.36 = 40,847.52 : x
  2. Step 2: Convert to fraction form
    63,479.10/87,561.36 = 40,847.52/x
  3. Step 3: Cross multiply
    63,479.10x = 87,561.36 × 40,847.52
  4. Step 4: Simplify right side
    63,479.10x = 3,576,664,403.83
  5. Step 5: Solve for x
    x = 3,576,664,403.83/63,479.10
  6. Step 6: Final answer
    x = 56,343.97

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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.