Home / 47,509.47-71,237.75-19,449.18

Finding the Fourth Proportional to 47,509.47, 71,237.75 and 19,449.18

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Solution

The fourth proportional to 47,509.47, 71,237.75 and 19,449.18 is: 29,162.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,509.47 : 71,237.75 = 19,449.18 : x
  2. Step 2: Convert to fraction form
    47,509.47/71,237.75 = 19,449.18/x
  3. Step 3: Cross multiply
    47,509.47x = 71,237.75 × 19,449.18
  4. Step 4: Simplify right side
    47,509.47x = 1,385,515,725.30
  5. Step 5: Solve for x
    x = 1,385,515,725.30/47,509.47
  6. Step 6: Final answer
    x = 29,162.94

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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.