Home / 31,624.02-47,370.42-18,436.41

Finding the Fourth Proportional to 31,624.02, 47,370.42 and 18,436.41

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Solution

The fourth proportional to 31,624.02, 47,370.42 and 18,436.41 is: 27,616.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,624.02 : 47,370.42 = 18,436.41 : x
  2. Step 2: Convert to fraction form
    31,624.02/47,370.42 = 18,436.41/x
  3. Step 3: Cross multiply
    31,624.02x = 47,370.42 × 18,436.41
  4. Step 4: Simplify right side
    31,624.02x = 873,340,484.99
  5. Step 5: Solve for x
    x = 873,340,484.99/31,624.02
  6. Step 6: Final answer
    x = 27,616.37

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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.