Home / 63,442.64-87,511.23-40,811.13

Finding the Fourth Proportional to 63,442.64, 87,511.23 and 40,811.13

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Solution

The fourth proportional to 63,442.64, 87,511.23 and 40,811.13 is: 56,293.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,442.64 : 87,511.23 = 40,811.13 : x
  2. Step 2: Convert to fraction form
    63,442.64/87,511.23 = 40,811.13/x
  3. Step 3: Cross multiply
    63,442.64x = 87,511.23 × 40,811.13
  4. Step 4: Simplify right side
    63,442.64x = 3,571,432,183.99
  5. Step 5: Solve for x
    x = 3,571,432,183.99/63,442.64
  6. Step 6: Final answer
    x = 56,293.88

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1.5x scale

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.