Home / 47,938.88-71,911.67-14,656.39

Finding the Fourth Proportional to 47,938.88, 71,911.67 and 14,656.39

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Solution

The fourth proportional to 47,938.88, 71,911.67 and 14,656.39 is: 21,985.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,938.88 : 71,911.67 = 14,656.39 : x
  2. Step 2: Convert to fraction form
    47,938.88/71,911.67 = 14,656.39/x
  3. Step 3: Cross multiply
    47,938.88x = 71,911.67 × 14,656.39
  4. Step 4: Simplify right side
    47,938.88x = 1,053,965,228.01
  5. Step 5: Solve for x
    x = 1,053,965,228.01/47,938.88
  6. Step 6: Final answer
    x = 21,985.60

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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.