Home / 47,400.48-71,059.05-19,344.15

Finding the Fourth Proportional to 47,400.48, 71,059.05 and 19,344.15

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Solution

The fourth proportional to 47,400.48, 71,059.05 and 19,344.15 is: 28,999.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,400.48 : 71,059.05 = 19,344.15 : x
  2. Step 2: Convert to fraction form
    47,400.48/71,059.05 = 19,344.15/x
  3. Step 3: Cross multiply
    47,400.48x = 71,059.05 × 19,344.15
  4. Step 4: Simplify right side
    47,400.48x = 1,374,576,922.06
  5. Step 5: Solve for x
    x = 1,374,576,922.06/47,400.48
  6. Step 6: Final answer
    x = 28,999.22

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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.