Home / 47,011.48-70,409.22-39,520.60

Finding the Fourth Proportional to 47,011.48, 70,409.22 and 39,520.60

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Solution

The fourth proportional to 47,011.48, 70,409.22 and 39,520.60 is: 59,190.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,011.48 : 70,409.22 = 39,520.60 : x
  2. Step 2: Convert to fraction form
    47,011.48/70,409.22 = 39,520.60/x
  3. Step 3: Cross multiply
    47,011.48x = 70,409.22 × 39,520.60
  4. Step 4: Simplify right side
    47,011.48x = 2,782,614,619.93
  5. Step 5: Solve for x
    x = 2,782,614,619.93/47,011.48
  6. Step 6: Final answer
    x = 59,190.11

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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.