Home / 34,269.67-47,293.91-20,838.70

Finding the Fourth Proportional to 34,269.67, 47,293.91 and 20,838.70

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Solution

The fourth proportional to 34,269.67, 47,293.91 and 20,838.70 is: 28,758.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,269.67 : 47,293.91 = 20,838.70 : x
  2. Step 2: Convert to fraction form
    34,269.67/47,293.91 = 20,838.70/x
  3. Step 3: Cross multiply
    34,269.67x = 47,293.91 × 20,838.70
  4. Step 4: Simplify right side
    34,269.67x = 985,543,602.32
  5. Step 5: Solve for x
    x = 985,543,602.32/34,269.67
  6. Step 6: Final answer
    x = 28,758.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.