Home / 34,030.27-46,930.35-21,279.39

Finding the Fourth Proportional to 34,030.27, 46,930.35 and 21,279.39

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Solution

The fourth proportional to 34,030.27, 46,930.35 and 21,279.39 is: 29,345.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,030.27 : 46,930.35 = 21,279.39 : x
  2. Step 2: Convert to fraction form
    34,030.27/46,930.35 = 21,279.39/x
  3. Step 3: Cross multiply
    34,030.27x = 46,930.35 × 21,279.39
  4. Step 4: Simplify right side
    34,030.27x = 998,649,220.49
  5. Step 5: Solve for x
    x = 998,649,220.49/34,030.27
  6. Step 6: Final answer
    x = 29,345.91

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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.