Home / 37,626.45-51,925-20,630.66

Finding the Fourth Proportional to 37,626.45, 51,925 and 20,630.66

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Solution

The fourth proportional to 37,626.45, 51,925 and 20,630.66 is: 28,470.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,626.45 : 51,925 = 20,630.66 : x
  2. Step 2: Convert to fraction form
    37,626.45/51,925 = 20,630.66/x
  3. Step 3: Cross multiply
    37,626.45x = 51,925 × 20,630.66
  4. Step 4: Simplify right side
    37,626.45x = 1,071,247,020.50
  5. Step 5: Solve for x
    x = 1,071,247,020.50/37,626.45
  6. Step 6: Final answer
    x = 28,470.58

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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.