Home / 47,643.88-71,348.70-39,272.68

Finding the Fourth Proportional to 47,643.88, 71,348.70 and 39,272.68

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Solution

The fourth proportional to 47,643.88, 71,348.70 and 39,272.68 is: 58,812.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,643.88 : 71,348.70 = 39,272.68 : x
  2. Step 2: Convert to fraction form
    47,643.88/71,348.70 = 39,272.68/x
  3. Step 3: Cross multiply
    47,643.88x = 71,348.70 × 39,272.68
  4. Step 4: Simplify right side
    47,643.88x = 2,802,054,663.52
  5. Step 5: Solve for x
    x = 2,802,054,663.52/47,643.88
  6. Step 6: Final answer
    x = 58,812.48

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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.