Home / 47,720.40-71,588.70-14,440.20

Finding the Fourth Proportional to 47,720.40, 71,588.70 and 14,440.20

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Solution

The fourth proportional to 47,720.40, 71,588.70 and 14,440.20 is: 21,662.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,720.40 : 71,588.70 = 14,440.20 : x
  2. Step 2: Convert to fraction form
    47,720.40/71,588.70 = 14,440.20/x
  3. Step 3: Cross multiply
    47,720.40x = 71,588.70 × 14,440.20
  4. Step 4: Simplify right side
    47,720.40x = 1,033,755,145.74
  5. Step 5: Solve for x
    x = 1,033,755,145.74/47,720.40
  6. Step 6: Final answer
    x = 21,662.75

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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.