Home / 34,743.06-47,920.11-21,998.32

Finding the Fourth Proportional to 34,743.06, 47,920.11 and 21,998.32

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Solution

The fourth proportional to 34,743.06, 47,920.11 and 21,998.32 is: 30,341.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,743.06 : 47,920.11 = 21,998.32 : x
  2. Step 2: Convert to fraction form
    34,743.06/47,920.11 = 21,998.32/x
  3. Step 3: Cross multiply
    34,743.06x = 47,920.11 × 21,998.32
  4. Step 4: Simplify right side
    34,743.06x = 1,054,161,711.92
  5. Step 5: Solve for x
    x = 1,054,161,711.92/34,743.06
  6. Step 6: Final answer
    x = 30,341.65

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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.