Home / 51,079.87-76,552.35-39,188.21

Finding the Fourth Proportional to 51,079.87, 76,552.35 and 39,188.21

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Solution

The fourth proportional to 51,079.87, 76,552.35 and 39,188.21 is: 58,730.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,079.87 : 76,552.35 = 39,188.21 : x
  2. Step 2: Convert to fraction form
    51,079.87/76,552.35 = 39,188.21/x
  3. Step 3: Cross multiply
    51,079.87x = 76,552.35 × 39,188.21
  4. Step 4: Simplify right side
    51,079.87x = 2,999,949,567.79
  5. Step 5: Solve for x
    x = 2,999,949,567.79/51,079.87
  6. Step 6: Final answer
    x = 58,730.56

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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.