Home / 34,713.80-47,880.67-21,290.41

Finding the Fourth Proportional to 34,713.80, 47,880.67 and 21,290.41

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Solution

The fourth proportional to 34,713.80, 47,880.67 and 21,290.41 is: 29,365.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,713.80 : 47,880.67 = 21,290.41 : x
  2. Step 2: Convert to fraction form
    34,713.80/47,880.67 = 21,290.41/x
  3. Step 3: Cross multiply
    34,713.80x = 47,880.67 × 21,290.41
  4. Step 4: Simplify right side
    34,713.80x = 1,019,399,095.37
  5. Step 5: Solve for x
    x = 1,019,399,095.37/34,713.80
  6. Step 6: Final answer
    x = 29,365.82

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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.