Home / 47,600.40-71,400.24-14,320.32

Finding the Fourth Proportional to 47,600.40, 71,400.24 and 14,320.32

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Solution

The fourth proportional to 47,600.40, 71,400.24 and 14,320.32 is: 21,480.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,600.40 : 71,400.24 = 14,320.32 : x
  2. Step 2: Convert to fraction form
    47,600.40/71,400.24 = 14,320.32/x
  3. Step 3: Cross multiply
    47,600.40x = 71,400.24 × 14,320.32
  4. Step 4: Simplify right side
    47,600.40x = 1,022,474,284.88
  5. Step 5: Solve for x
    x = 1,022,474,284.88/47,600.40
  6. Step 6: Final answer
    x = 21,480.37

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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.