Home / 63,420.68-87,520.32-36,563.06

Finding the Fourth Proportional to 63,420.68, 87,520.32 and 36,563.06

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Solution

The fourth proportional to 63,420.68, 87,520.32 and 36,563.06 is: 50,456.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,420.68 : 87,520.32 = 36,563.06 : x
  2. Step 2: Convert to fraction form
    63,420.68/87,520.32 = 36,563.06/x
  3. Step 3: Cross multiply
    63,420.68x = 87,520.32 × 36,563.06
  4. Step 4: Simplify right side
    63,420.68x = 3,200,010,711.38
  5. Step 5: Solve for x
    x = 3,200,010,711.38/63,420.68
  6. Step 6: Final answer
    x = 50,456.90

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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.