Home / 31,460.21-47,190.05-14,811.16

Finding the Fourth Proportional to 31,460.21, 47,190.05 and 14,811.16

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Solution

The fourth proportional to 31,460.21, 47,190.05 and 14,811.16 is: 22,216.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,460.21 : 47,190.05 = 14,811.16 : x
  2. Step 2: Convert to fraction form
    31,460.21/47,190.05 = 14,811.16/x
  3. Step 3: Cross multiply
    31,460.21x = 47,190.05 × 14,811.16
  4. Step 4: Simplify right side
    31,460.21x = 698,939,380.96
  5. Step 5: Solve for x
    x = 698,939,380.96/31,460.21
  6. Step 6: Final answer
    x = 22,216.62

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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.