Home / 47,910.80-71,533.18-40,365.20

Finding the Fourth Proportional to 47,910.80, 71,533.18 and 40,365.20

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Solution

The fourth proportional to 47,910.80, 71,533.18 and 40,365.20 is: 60,267.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,910.80 : 71,533.18 = 40,365.20 : x
  2. Step 2: Convert to fraction form
    47,910.80/71,533.18 = 40,365.20/x
  3. Step 3: Cross multiply
    47,910.80x = 71,533.18 × 40,365.20
  4. Step 4: Simplify right side
    47,910.80x = 2,887,451,117.34
  5. Step 5: Solve for x
    x = 2,887,451,117.34/47,910.80
  6. Step 6: Final answer
    x = 60,267.23

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.