Home / 47,763.70-71,645.47-12,703.36

Finding the Fourth Proportional to 47,763.70, 71,645.47 and 12,703.36

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Solution

The fourth proportional to 47,763.70, 71,645.47 and 12,703.36 is: 19,055.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,763.70 : 71,645.47 = 12,703.36 : x
  2. Step 2: Convert to fraction form
    47,763.70/71,645.47 = 12,703.36/x
  3. Step 3: Cross multiply
    47,763.70x = 71,645.47 × 12,703.36
  4. Step 4: Simplify right side
    47,763.70x = 910,138,197.78
  5. Step 5: Solve for x
    x = 910,138,197.78/47,763.70
  6. Step 6: Final answer
    x = 19,055.02

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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.