Home / 47,339.35-71,012.97-13,605.48

Finding the Fourth Proportional to 47,339.35, 71,012.97 and 13,605.48

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Solution

The fourth proportional to 47,339.35, 71,012.97 and 13,605.48 is: 20,409.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,339.35 : 71,012.97 = 13,605.48 : x
  2. Step 2: Convert to fraction form
    47,339.35/71,012.97 = 13,605.48/x
  3. Step 3: Cross multiply
    47,339.35x = 71,012.97 × 13,605.48
  4. Step 4: Simplify right side
    47,339.35x = 966,165,543.08
  5. Step 5: Solve for x
    x = 966,165,543.08/47,339.35
  6. Step 6: Final answer
    x = 20,409.35

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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.