Home / 31,589.12-47,384.08-30,626.80

Finding the Fourth Proportional to 31,589.12, 47,384.08 and 30,626.80

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Solution

The fourth proportional to 31,589.12, 47,384.08 and 30,626.80 is: 45,940.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,589.12 : 47,384.08 = 30,626.80 : x
  2. Step 2: Convert to fraction form
    31,589.12/47,384.08 = 30,626.80/x
  3. Step 3: Cross multiply
    31,589.12x = 47,384.08 × 30,626.80
  4. Step 4: Simplify right side
    31,589.12x = 1,451,222,741.34
  5. Step 5: Solve for x
    x = 1,451,222,741.34/31,589.12
  6. Step 6: Final answer
    x = 45,940.59

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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.